News Overview
Full steam ahead to the trail: Partner cooperation with the Zittau narrow-gauge railway
Live Tracking XTERRA O-SEE UltraTrail
Live tracking will also be available again at the XTERRA O-SEE UltraTrail in 2026
Sportographers in Oybin
Share your sporting experience with the whole world!
O-SEE Sports' new website has been online since August 13, 2026
O-SEE Sports has been presenting a completely redesigned website since August 13, 2026. All club activities and events are now centrally located, modern, and accessible on a single platform. The previously separate solutions have been consolidated, and the familiar event domains remain accessible. The project was made possible by the 2026 regional budget of the LEADER region.
Moments of happiness – Doing sports together makes you happy
At the German-Czech children's athletics day organized by O-SEE Sports and AC Rumburk, children and teenagers were able to participate in sports together. The event also served as preparation for the international "Lusatian Race Walking" and strengthened the long-standing partnership between the two clubs in the border region.
Benno's closing statement on the O-SEE Challenge 2026
The O-SEE Challenge 2026 was characterized by strong team spirit, successful innovations, and a seamless transition to the new generation of organizers. Despite minor conceptual adjustments, the unique O-SEE spirit remained palpable – from the close-knit preparation phase to the competition days and the big after-race party. With fresh impetus, dedicated volunteers, and proven highlights, the Challenge looks optimistically towards 2027.
O-SEE's young athletes shine across the board: Four competitions, countless podium finishes!
Our young athletes delivered impressive performances at four competitions in Germany and the Czech Republic over the weekend. From strong duathlon results in Waltersdorf and top finishes at the Cottbus Triathlon and the DresdenHALF, to a medal haul at the Hradek Triathlon, our athletes collected numerous victories, podium finishes, and valuable ranking points. A thoroughly successful weekend for O-SEE Sports eV, demonstrating once again the strength and depth of our young talent.
Asphalt instead of off-road: O-SEE Kids sweep the KnappenMan
The O-SEE Kids show that they are not only fast off-road: At the 38th Sparkassen KnappenMan they win three Saxon championship titles, two runner-up titles and other podium places – strong performances on smooth asphalt and an impressive appearance shortly before the end of the season.
French XTERRA stars dominate the 26th O-SEE Challenge
Zittau, August 15, 2026 – Top-class cross triathlon, exciting German Championships, and the international XTERRA elite ensured excellent publicity for off-road triathlon at the 26th XTERRA O-SEE Challenge at Lake Olbersdorf. In addition to the national championships, the XTERRA Full Distance race was particularly focused on the performances of top stars Arthur Serrières and Alizée Patiès.
Results
Click here to see the official results
O-SEE Kids impress at the XTERRA O-SEE Challenge
The O-SEE Kids shine at the XTERRA O-SEE Challenge: strong performances, numerous podium finishes and five Saxon championship titles make the home competition a real highlight of the season.
Join us live – no matter where you are!
Don't miss a single moment of the XTERRA O-SEE Challenge:
Starting now, you can follow all of today's and the entire weekend's competitions via live tracking.
See in real time where your favorites are, how the race is developing, and who's closest to the finish line.
Whether at Lake Olbersdorf, in the Zittau Mountains, or from home – you're right in the middle of the action.
O-SEE Retro 2026
The O-SEE Retro 2026 brought the classics back to the track: authentic atmosphere, strong performances, and plenty of emotion. With a new record number of participants, the event became an impressive retrospective of a tradition that perfectly combines passion and community.
O‑SEE Open Air – After Race Party
After the race comes the party! On Saturday, we're opening the stage again at Lake Olbersdorf and celebrating our O-SEE Open Air. Our local residents Robin & Nico will be there – as always, powerful, driving, and bringing tons of O-SEE vibes. Also on the decks: DJ Paul Powerz, who will keep the evening going with his mix of house, classics, and festival energy.
It all kicks off at 8 pm and the party goes on until late into the night. Come along, bring your friends, and enjoy the most legendary after-race party.
PRE-RIDE for Sunday's races!
Want to get to know the track before your race? Then come to our pre-ride on Friday, August 14th!
Athlete Guide 2026 now online
The excitement is building – the athlete guide for the XTERRA O-SEE Challenge 2026 is now online! The athlete guide will accompany you throughout the entire event weekend and contains all the important information about your participation. In addition to the schedules, you will find information on race packet pickup, race procedures, transition areas, courses, travel, and more…
German Championships U18|U23 – O-SEE right in the middle
Sophia and Lucas proudly represented O-SEE at the German Championships in Bochum-Wattenscheid. In…
A top-class elite field at the O-SEE: Who will take the victory?
The previous year's winners are returning again this year. Although no World Cup points are awarded at the Olympiasee, the elite field is once again top-class. In the men's race, everything points to another close competition between the two Frenchmen, Arthur Serrières and Arthur Forissier, and the Italian, Michele Bonacina. Despite his retirement…
Online registration has been extended until August 9th
The official registration deadline for the XTERRA O-SEE Challenge 2026 was July 31st at 11:59 PM. Due to numerous requests from athletes who decided to participate at the last minute, we have decided to reopen online registration. Registration will remain open from Monday, August 3rd, 2026 at 12:00 PM until Sunday, August 9th, 2026 at 11:59 PM at the latest. Important: The official registration deadline as stated in the event announcement…
Note regarding the registration deadline of July 31st.
Online registration for the XTERRA O-SEE Challenge 2026 closes on Friday, July 31st, at 11:59 PM. This is also the only time to register for the German Championships. Late registration for the German Championship rankings is not possible. Participation in all other competitions remains open. Anyone who misses the registration deadline…
O-SEE BEACHCUP 2026 – Beach volleyball as part of the supporting program of the XTERRA O-SEE Challenge
The O-SEE BEACHCUP will bring sporting action and summer atmosphere to the beach volleyball courts at Lake Olbersdorf on August 15th and 16th, 2026, enriching the supporting program of the XTERRA O-SEE Challenge 2026. Two tournaments, two different formats – a weekend full of fun.
Handcraftsmanship, dedication and sustainability for the XTERRA O-SEE Challenge
Only a few days left until the O-SEE Challenge. Today we picked up the medals from the Zittau workshops. They have been handcrafted there for many years. Each piece is unique, made with great patience, skill, and attention to detail. For us, these medals are more than just awards. They…
The medals are here!
Only a few days left until the O-SEE Challenge. Today we picked up the medals from the Zittau workshops.
13th O-SEE Retro on August 8th, 2026. Back to the Roots!
Less high-tech. More adventure. More O-SEE. Exactly one week before the XTERRA O-SEE Challenge, it's back to the roots again in 2026! For the 13th time, enthusiasts of the legendary O-SEE Retro will gather and experience our race the way it all began. Carbon wheels, electronic shifting, and wattage figures don't matter here. What's required are vintage mountain bikes, classic gear, and everything in between…
O-SEE BEACHCUP 2026 – Beach volleyball as part of the supporting program of the XTERRA O-SEE Challenge
The O-SEE BEACHCUP brings sporting action and summer atmosphere to the beach volleyball courts at Lake Olbersdorf on August 15th and 16th, 2026, enriching the supporting program of the XTERRA O-SEE Challenge 2026. Two tournaments, two different formats – a weekend full of fun. Saturday, August 15th, 2026: MATTHÄI STAHLBAU A-CUP – Men & Women. One tournament…
13th O-SEE Retro on August 8th, 2026. Back to the Roots!
Exactly one week before the XTERRA O-SEE Challenge, it's back to the roots again in 2026! For the 13th time, enthusiasts of the legendary O-SEE Retro will meet and experience our race as it all began.
Strong results at the Saxon Individual Championships
Despite the sweltering summer conditions, our athletes presented themselves in excellent form in Mittweida. Overall…
Stronger together: Thank you to everyone who makes the O-SEE Challenge possible
An event like the XTERRA O-SEE Challenge doesn't happen by itself. It thrives on people who pitch in, support each other, and create something special together. That's why we simply want to say thank you today. Thank you to our numerous helpers, the emergency services, fire departments, police, clubs, sponsors, partners, landowners, service providers, our participants, visitors…
OBU 2026 Review
A race of superlatives. For the first time, more than 200 runners (204) started the 6th edition of the OBU on Saturday at 10 a.m. The participants came from 9 nations. The race has gained a reputation as a strong and well-organized backyard race. Additionally, the race had silver status, which means direct qualification for the World Championships in October 2026. Good conditions for a…
O-SEE Sports at the Salzkammergut Trophy 2026
Sophie and Jens Lindner competed for O-SEE Sports in the Salzkammergut Trophy 2026. The MTB race offered challenging courses, numerous elevation gains, and a great atmosphere.
At the East Saxon Championships in Bautzen – 18 times on the podium – 6 of them on top.
On June 13th in Bautzen, 23 O-SEE Kids marked the transition from our training groups to…
Updates to the XTERRA O-SEE Challenge 2026 briefing
Please note that this is only an excerpt of the most important changes. We strongly recommend that all athletes attend the official race briefing, as all competition-relevant information, course details, and any last-minute changes will be announced there. You can find the dates and times of the individual briefings in the event program. You will also receive…
Master duo at the start: Neef and Erl return to Lake Olbersdorf
The O-SEE Challenge 2026 can look forward to two familiar faces: Sebastian Neef and Lorena Erl will once again be at the starting line in the Zittau Mountains. Both arrive as reigning German Cross Triathlon Champions and are therefore automatically among the top favorites in their races. Successful in sports, a team in their private lives. What the two…
Successful weekend at the Dachsman XC Triathlon in Kunratice, Czech Republic
Due to the rather mixed weather, the kids started in the duathlon. Oskar ran in…
We need YOU!
The XTERRA O-SEE Challenge thrives on its volunteers. Without you, there would be no event, no goosebump moments, and no beaming faces at the finish line. ❤️ We urgently need support for the weekend of August 14-16 at Lake Olbersdorf – whether as a course marshal, in the transition zone, or on the event grounds…
PLEASE SMILE
Are you as ready for the XTERRA O-SEE Challenge 2026 as the Sportograf team? The professional photographers from Sportograf will once again be taking photos of all participants along the entire course this year to capture this day forever. Look forward to your photos, which you'll receive after the event…
Review of the team's season highlight
This year's district combined events championship at the Weinaupark Stadium in Zittau was a successful highlight of the season for our large team. With…
Heat battle at XTERRA Slovakia – strong performances for O-SEE Sports eV.
At XTERRA in Banská Štiavnica, our team faced a real battle against the heat. Extreme temperatures…
Talent Cup at the Golden Oval for our 11-year-olds
On May 31, 2026, our 11-year-olds had a special competition. They competed in the preliminary program of…
O-SEE Sports at the German Championships in Lübeck
June 14, 2026, was one of the highlights of Tim's season. At the…
O-SEE Sports impresses at the TriaHatz 2026
The TriaHatz 2026, held last weekend, became a success for O-SEE Sports eV…
DSC Combined Events Meeting on May 16, 2026
On the second weekend in May, we travelled to the Heinz Steyer Stadium in Dresden. Twenty-one female athletes competed there…
XTERRA O-SEE Challenge Pre-Ride 2026 – What a day!
Despite the sweltering summer temperatures, nearly 40 participants braved the elements to tackle the XTERRA O-SEE Challenge together. The program included checking out the various distances, sharing training tips, and discussing the best hydration and nutrition strategies for race day
Moderation debut at the XTERRA O-SEE Challenge!
Lisa Hofmann is thrilled to already be able to wear the new event shirt – and we think it looks fantastic on her! 😉 But that's just the beginning: Together with Tom Kerner, she'll be guiding you through a weekend full of sport, emotions, and goosebump moments at the XTERRA O-SEE Challenge. Lisa Hofmann is…
German U20 Championship in the 4×400 meter mixed relay
The first weekend in May turned out to be a special experience for the O SEE Sports team.…
?♂️? XTERRA O-SEE Challenge PreRun – Save the Date! ?♀️?️
On June 28, 2026, we cordially invite you to the official PreRun of the XTERRA O-SEE Challenge! Get to know the running routes and discover the special features of the course together with our experienced guides – the perfect preparation for your race. Meeting point: June 28, 10:00 a.m. at the Seestern (Starfish) ♀️ Together we'll run the race course and…
?♂️ XTERRA O-SEE Challenge Pre-Ride – Save the Date! ?♀️
On June 21, 2026, we cordially invite you to the official pre-ride of the XTERRA O-SEE Challenge! Get to know the bike trails and ride them together with our experienced guides – perfect preparation for the competition. Meeting point: June 21, 2026 – 11:00 AM at the Seestern (Starfish) Trails to be ridden: • XTERRA trail • O-SEE Classic • O-SEE Reduced Whether…
XTERRA Greece 2026 in Vouliagmeni
A strong weekend for O-SEE Sports: Three athletes competed at this year's XTERRA Greece in Vouliagmeni…
EarlyBird final sprint at the XTERRA O-SEE Challenge 2026
You only have until May 31st to register for the XTERRA O-SEE Challenge at the lowest price. After that, the entry fees will increase – so take advantage of this opportunity and secure your starting place at the Early Bird price! Register now and become part of an unforgettable race weekend! To make registration even easier…
Everybody ready for outdoor season 2026?
The Athletics Team of AC Rumburk invited everyone to their season kick-off on Sunday, April 19, 2026! Many…
Big events need strong partners
The XTERRA O-SEE Challenge 2026 thrives on passion, team spirit, and people who share our vision. That's why we want to sincerely thank our main sponsors this year. With their generous support, they help make unforgettable moments, top athletic performances, and a truly electrifying atmosphere at O-SEE possible. We are proud to have these amazing…
Spring hike with a slippery slope
On Saturday, March 7th, the X'Kids and their families traveled from Jonsdorf to Falkenstein…
Sophia impresses at the U20 Indoor German Championships in the 800m
True to the motto “… she deserved it …” our Sophia (U18…
Strong end to the season at the Central German Indoor Championships
At the end of January, we traveled to the athletics hall in Halle (Saale) to observe the densely packed…
REGISTRATION OPEN
This is the moment before the start. From now on, you can be there yourself. Registration open! August 14-16, 2026 XTERRA O-SEE Challenge. Register now!
O-SEE FLEX at the XTERRA O-SEE Challenge
Change of plans? No stress! With O-SEE Flex, you're on the safe side: ✔️ Postpone your entry to the following year – free of charge and without giving a reason until the registration deadline ✔️ Change your route until the registration deadline ✔️ Transfer your entry to another person O-SEE Flex: +€20 for online registration ⚠️ Without O-SEE Flex, transferring your entry is not possible
Cross-country ski trail, ski slope or indoor athletics track…
Our O-SEE Athletics athletes have been competing for the past two weekends…
Full steam ahead to the trail: Partner cooperation with the Zittau narrow-gauge railway
Live Tracking XTERRA O-SEE UltraTrail
Live tracking will also be available again at the XTERRA O-SEE UltraTrail in 2026
Sportographers in Oybin
Share your sporting experience with the whole world!
O-SEE Sports' new website has been online since August 13, 2026
O-SEE Sports has been presenting a completely redesigned website since August 13, 2026. All club activities and events are now centrally located, modern, and accessible on a single platform. The previously separate solutions have been consolidated, and the familiar event domains remain accessible. The project was made possible by the 2026 regional budget of the LEADER region.
Moments of happiness – Doing sports together makes you happy
At the German-Czech children's athletics day organized by O-SEE Sports and AC Rumburk, children and teenagers were able to participate in sports together. The event also served as preparation for the international "Lusatian Race Walking" and strengthened the long-standing partnership between the two clubs in the border region.
Benno's closing statement on the O-SEE Challenge 2026
The O-SEE Challenge 2026 was characterized by strong team spirit, successful innovations, and a seamless transition to the new generation of organizers. Despite minor conceptual adjustments, the unique O-SEE spirit remained palpable – from the close-knit preparation phase to the competition days and the big after-race party. With fresh impetus, dedicated volunteers, and proven highlights, the Challenge looks optimistically towards 2027.
O-SEE's young athletes shine across the board: Four competitions, countless podium finishes!
Our young athletes delivered impressive performances at four competitions in Germany and the Czech Republic over the weekend. From strong duathlon results in Waltersdorf and top finishes at the Cottbus Triathlon and the DresdenHALF, to a medal haul at the Hradek Triathlon, our athletes collected numerous victories, podium finishes, and valuable ranking points. A thoroughly successful weekend for O-SEE Sports eV, demonstrating once again the strength and depth of our young talent.
Asphalt instead of off-road: O-SEE Kids sweep the KnappenMan
The O-SEE Kids show that they are not only fast off-road: At the 38th Sparkassen KnappenMan they win three Saxon championship titles, two runner-up titles and other podium places – strong performances on smooth asphalt and an impressive appearance shortly before the end of the season.
French XTERRA stars dominate the 26th O-SEE Challenge
Zittau, August 15, 2026 – Top-class cross triathlon, exciting German Championships, and the international XTERRA elite ensured excellent publicity for off-road triathlon at the 26th XTERRA O-SEE Challenge at Lake Olbersdorf. In addition to the national championships, the XTERRA Full Distance race was particularly focused on the performances of top stars Arthur Serrières and Alizée Patiès.
Results
Click here to see the official results
O-SEE Kids impress at the XTERRA O-SEE Challenge
The O-SEE Kids shine at the XTERRA O-SEE Challenge: strong performances, numerous podium finishes and five Saxon championship titles make the home competition a real highlight of the season.
Join us live – no matter where you are!
Don't miss a single moment of the XTERRA O-SEE Challenge:
Starting now, you can follow all of today's and the entire weekend's competitions via live tracking.
See in real time where your favorites are, how the race is developing, and who's closest to the finish line.
Whether at Lake Olbersdorf, in the Zittau Mountains, or from home – you're right in the middle of the action.
O-SEE Retro 2026
The O-SEE Retro 2026 brought the classics back to the track: authentic atmosphere, strong performances, and plenty of emotion. With a new record number of participants, the event became an impressive retrospective of a tradition that perfectly combines passion and community.
O‑SEE Open Air – After Race Party
After the race comes the party! On Saturday, we're opening the stage again at Lake Olbersdorf and celebrating our O-SEE Open Air. Our local residents Robin & Nico will be there – as always, powerful, driving, and bringing tons of O-SEE vibes. Also on the decks: DJ Paul Powerz, who will keep the evening going with his mix of house, classics, and festival energy.
It all kicks off at 8 pm and the party goes on until late into the night. Come along, bring your friends, and enjoy the most legendary after-race party.
PRE-RIDE for Sunday's races!
Want to get to know the track before your race? Then come to our pre-ride on Friday, August 14th!
Athlete Guide 2026 now online
The excitement is building – the athlete guide for the XTERRA O-SEE Challenge 2026 is now online! The athlete guide will accompany you throughout the entire event weekend and contains all the important information about your participation. In addition to the schedules, you will find information on race packet pickup, race procedures, transition areas, courses, travel, and more…
German Championships U18|U23 – O-SEE right in the middle
Sophia and Lucas proudly represented O-SEE at the German Championships in Bochum-Wattenscheid. In…
A top-class elite field at the O-SEE: Who will take the victory?
The previous year's winners are returning again this year. Although no World Cup points are awarded at the Olympiasee, the elite field is once again top-class. In the men's race, everything points to another close competition between the two Frenchmen, Arthur Serrières and Arthur Forissier, and the Italian, Michele Bonacina. Despite his retirement…
Online registration has been extended until August 9th
The official registration deadline for the XTERRA O-SEE Challenge 2026 was July 31st at 11:59 PM. Due to numerous requests from athletes who decided to participate at the last minute, we have decided to reopen online registration. Registration will remain open from Monday, August 3rd, 2026 at 12:00 PM until Sunday, August 9th, 2026 at 11:59 PM at the latest. Important: The official registration deadline as stated in the event announcement…
Note regarding the registration deadline of July 31st.
Online registration for the XTERRA O-SEE Challenge 2026 closes on Friday, July 31st, at 11:59 PM. This is also the only time to register for the German Championships. Late registration for the German Championship rankings is not possible. Participation in all other competitions remains open. Anyone who misses the registration deadline…
O-SEE BEACHCUP 2026 – Beach volleyball as part of the supporting program of the XTERRA O-SEE Challenge
The O-SEE BEACHCUP will bring sporting action and summer atmosphere to the beach volleyball courts at Lake Olbersdorf on August 15th and 16th, 2026, enriching the supporting program of the XTERRA O-SEE Challenge 2026. Two tournaments, two different formats – a weekend full of fun.
Handcraftsmanship, dedication and sustainability for the XTERRA O-SEE Challenge
Only a few days left until the O-SEE Challenge. Today we picked up the medals from the Zittau workshops. They have been handcrafted there for many years. Each piece is unique, made with great patience, skill, and attention to detail. For us, these medals are more than just awards. They…
The medals are here!
Only a few days left until the O-SEE Challenge. Today we picked up the medals from the Zittau workshops.
13th O-SEE Retro on August 8th, 2026. Back to the Roots!
Less high-tech. More adventure. More O-SEE. Exactly one week before the XTERRA O-SEE Challenge, it's back to the roots again in 2026! For the 13th time, enthusiasts of the legendary O-SEE Retro will gather and experience our race the way it all began. Carbon wheels, electronic shifting, and wattage figures don't matter here. What's required are vintage mountain bikes, classic gear, and everything in between…
O-SEE BEACHCUP 2026 – Beach volleyball as part of the supporting program of the XTERRA O-SEE Challenge
The O-SEE BEACHCUP brings sporting action and summer atmosphere to the beach volleyball courts at Lake Olbersdorf on August 15th and 16th, 2026, enriching the supporting program of the XTERRA O-SEE Challenge 2026. Two tournaments, two different formats – a weekend full of fun. Saturday, August 15th, 2026: MATTHÄI STAHLBAU A-CUP – Men & Women. One tournament…
13th O-SEE Retro on August 8th, 2026. Back to the Roots!
Exactly one week before the XTERRA O-SEE Challenge, it's back to the roots again in 2026! For the 13th time, enthusiasts of the legendary O-SEE Retro will meet and experience our race as it all began.
Strong results at the Saxon Individual Championships
Despite the sweltering summer conditions, our athletes presented themselves in excellent form in Mittweida. Overall…
Stronger together: Thank you to everyone who makes the O-SEE Challenge possible
An event like the XTERRA O-SEE Challenge doesn't happen by itself. It thrives on people who pitch in, support each other, and create something special together. That's why we simply want to say thank you today. Thank you to our numerous helpers, the emergency services, fire departments, police, clubs, sponsors, partners, landowners, service providers, our participants, visitors…
OBU 2026 Review
A race of superlatives. For the first time, more than 200 runners (204) started the 6th edition of the OBU on Saturday at 10 a.m. The participants came from 9 nations. The race has gained a reputation as a strong and well-organized backyard race. Additionally, the race had silver status, which means direct qualification for the World Championships in October 2026. Good conditions for a…
O-SEE Sports at the Salzkammergut Trophy 2026
Sophie and Jens Lindner competed for O-SEE Sports in the Salzkammergut Trophy 2026. The MTB race offered challenging courses, numerous elevation gains, and a great atmosphere.
At the East Saxon Championships in Bautzen – 18 times on the podium – 6 of them on top.
On June 13th in Bautzen, 23 O-SEE Kids marked the transition from our training groups to…
Updates to the XTERRA O-SEE Challenge 2026 briefing
Please note that this is only an excerpt of the most important changes. We strongly recommend that all athletes attend the official race briefing, as all competition-relevant information, course details, and any last-minute changes will be announced there. You can find the dates and times of the individual briefings in the event program. You will also receive…
Master duo at the start: Neef and Erl return to Lake Olbersdorf
The O-SEE Challenge 2026 can look forward to two familiar faces: Sebastian Neef and Lorena Erl will once again be at the starting line in the Zittau Mountains. Both arrive as reigning German Cross Triathlon Champions and are therefore automatically among the top favorites in their races. Successful in sports, a team in their private lives. What the two…
Successful weekend at the Dachsman XC Triathlon in Kunratice, Czech Republic
Due to the rather mixed weather, the kids started in the duathlon. Oskar ran in…
We need YOU!
The XTERRA O-SEE Challenge thrives on its volunteers. Without you, there would be no event, no goosebump moments, and no beaming faces at the finish line. ❤️ We urgently need support for the weekend of August 14-16 at Lake Olbersdorf – whether as a course marshal, in the transition zone, or on the event grounds…
PLEASE SMILE
Are you as ready for the XTERRA O-SEE Challenge 2026 as the Sportograf team? The professional photographers from Sportograf will once again be taking photos of all participants along the entire course this year to capture this day forever. Look forward to your photos, which you'll receive after the event…
Review of the team's season highlight
This year's district combined events championship at the Weinaupark Stadium in Zittau was a successful highlight of the season for our large team. With…
Heat battle at XTERRA Slovakia – strong performances for O-SEE Sports eV.
At XTERRA in Banská Štiavnica, our team faced a real battle against the heat. Extreme temperatures…
Talent Cup at the Golden Oval for our 11-year-olds
On May 31, 2026, our 11-year-olds had a special competition. They competed in the preliminary program of…
O-SEE Sports at the German Championships in Lübeck
June 14, 2026, was one of the highlights of Tim's season. At the…
O-SEE Sports impresses at the TriaHatz 2026
The TriaHatz 2026, held last weekend, became a success for O-SEE Sports eV…
DSC Combined Events Meeting on May 16, 2026
On the second weekend in May, we travelled to the Heinz Steyer Stadium in Dresden. Twenty-one female athletes competed there…
XTERRA O-SEE Challenge Pre-Ride 2026 – What a day!
Despite the sweltering summer temperatures, nearly 40 participants braved the elements to tackle the XTERRA O-SEE Challenge together. The program included checking out the various distances, sharing training tips, and discussing the best hydration and nutrition strategies for race day
Moderation debut at the XTERRA O-SEE Challenge!
Lisa Hofmann is thrilled to already be able to wear the new event shirt – and we think it looks fantastic on her! 😉 But that's just the beginning: Together with Tom Kerner, she'll be guiding you through a weekend full of sport, emotions, and goosebump moments at the XTERRA O-SEE Challenge. Lisa Hofmann is…
German U20 Championship in the 4×400 meter mixed relay
The first weekend in May turned out to be a special experience for the O SEE Sports team.…
?♂️? XTERRA O-SEE Challenge PreRun – Save the Date! ?♀️?️
On June 28, 2026, we cordially invite you to the official PreRun of the XTERRA O-SEE Challenge! Get to know the running routes and discover the special features of the course together with our experienced guides – the perfect preparation for your race. Meeting point: June 28, 10:00 a.m. at the Seestern (Starfish) ♀️ Together we'll run the race course and…
?♂️ XTERRA O-SEE Challenge Pre-Ride – Save the Date! ?♀️
On June 21, 2026, we cordially invite you to the official pre-ride of the XTERRA O-SEE Challenge! Get to know the bike trails and ride them together with our experienced guides – perfect preparation for the competition. Meeting point: June 21, 2026 – 11:00 AM at the Seestern (Starfish) Trails to be ridden: • XTERRA trail • O-SEE Classic • O-SEE Reduced Whether…
XTERRA Greece 2026 in Vouliagmeni
A strong weekend for O-SEE Sports: Three athletes competed at this year's XTERRA Greece in Vouliagmeni…
EarlyBird final sprint at the XTERRA O-SEE Challenge 2026
You only have until May 31st to register for the XTERRA O-SEE Challenge at the lowest price. After that, the entry fees will increase – so take advantage of this opportunity and secure your starting place at the Early Bird price! Register now and become part of an unforgettable race weekend! To make registration even easier…
Everybody ready for outdoor season 2026?
The Athletics Team of AC Rumburk invited everyone to their season kick-off on Sunday, April 19, 2026! Many…
Big events need strong partners
The XTERRA O-SEE Challenge 2026 thrives on passion, team spirit, and people who share our vision. That's why we want to sincerely thank our main sponsors this year. With their generous support, they help make unforgettable moments, top athletic performances, and a truly electrifying atmosphere at O-SEE possible. We are proud to have these amazing…
Spring hike with a slippery slope
On Saturday, March 7th, the X'Kids and their families traveled from Jonsdorf to Falkenstein…
Sophia impresses at the U20 Indoor German Championships in the 800m
True to the motto “… she deserved it …” our Sophia (U18…
Strong end to the season at the Central German Indoor Championships
At the end of January, we traveled to the athletics hall in Halle (Saale) to observe the densely packed…
REGISTRATION OPEN
This is the moment before the start. From now on, you can be there yourself. Registration open! August 14-16, 2026 XTERRA O-SEE Challenge. Register now!
O-SEE FLEX at the XTERRA O-SEE Challenge
Change of plans? No stress! With O-SEE Flex, you're on the safe side: ✔️ Postpone your entry to the following year – free of charge and without giving a reason until the registration deadline ✔️ Change your route until the registration deadline ✔️ Transfer your entry to another person O-SEE Flex: +€20 for online registration ⚠️ Without O-SEE Flex, transferring your entry is not possible
Cross-country ski trail, ski slope or indoor athletics track…
Our O-SEE Athletics athletes have been competing for the past two weekends…