Select the event you're interested in
Register to discover the race
Europe
30 - 31 October 2026
30 October - 01 November 2026
22 - 24 January 2027
18 - 21 March 2027
01 - 04 April 2027
08 - 10 April 2027
23 - 25 April 2027
30 April - 02 May 2027
13 - 16 May 2027
14 - 16 May 2027
5th June 2027
10 - 13 June 2027
17 - 20 June 2027
18 - 20 June 2027
23 - 27 June 2027
06 - 10 July 2027
07 - 11 July 2027
09 - 11 July 2027
14 - 18 July 2027
15 - 18 July 2027
23 - 25 July 2027
05 - 07 August 2027
06 - 08 August 2027
09 - 12 September 2027
10 - 12 September 2027
17 - 19 September 2027
23 - 25 October 2026
24 - 27 September 2026
24 - 30 August 2026
Asia
06 - 08 November 2026
13 - 15 November 2026
27 November - 06 December 2026
10 - 12 December 2026
07 - 10 January 2027
05 - 07 March 2027
09 - 11 April 2027
29 April - 02 May 2027
11 - 13 June 2027
04 - 05 September 2027
16 - 18 October 2026
02 - 04 October 2026
11 - 13 September 2026
10 - 12 April 2026
14 - 15 March 2026
North America
04 - 06 March 2027
08 - 11 April 2027
22 - 25 April 2027
04 - 06 June 2027
25 - 27 June 2027
22 - 24 July 2027
16 - 18 September 2027
23 - 26 September 2027
07 - 10 October 2027
01 - 03 October 2026
14 - 16 August 2026
27 - 28 June 2026
South America
18 - 22 November 2026
31 March - 04 April 2027
24 - 27 June 2027
30 July - 01 August 2027
Oceania
26 - 28 November 2026
13 - 14 February 2027
Africa
27 - 30 May 2027
Our history
Vision
Priorities
A shared passion
Our Partners
Find a Race
Majors
Finals
Open registration
Sports System
Inclusion & Diversity
Elite Runners
Anti Doping
Health
About UTMB Index
Runner Search
UTMB Index Races
FAQ
News
UTMB Live
Podcasts
Press
UTMB For The Planet
UTMB Cares
Travel Philosophy
UTMB Legends
UTMB Shop
XTERRA O-SEE Trail 2026 - O-SEE 25K Team
City / Country
Kurort Oybin /Naturpark Zittauer Gebirge
Date
Race Category
Distance
Elevation Gain
