Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

North America

21 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

02 - 04 October 2025

26 - 28 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Asia

29 November - 07 December 2025

06 - 08 March 2026

30 April - 03 May 2026

18 - 21 June 2026

11 - 13 September 2026

10 - 12 December 2026

14 - 16 November 2025

08 - 09 November 2025

17 - 19 October 2025

17 - 19 October 2025

16 - 18 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2025

Africa

29 - 31 May 2026

MY UTMB

Nicolas BLASSEL

Nationality

France

UTMB Index

Index

20K

50K

100K

100M

566

568

-

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

05.25.2025

Mahasamut Trail 2025 - Mahasamut25

20K

25 KM
1759 M+

03:20:51

6 / 429

5 / 278

Statistics

Filter by UTMB INDEX

UTMB® World Series - Ranking of trail runners by performance level on trail running

Join us

Sponsorship

Race Organisers

Jobs

Stay in Touch

FAQ and Help

Contact Us

Follow us

Terms & conditions

Privacy Policy

©2024 UTMB® all rights reserved. Ultra-Trail® and UTMB® are registered trademarks..