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UTMB World Series Events

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North America

02 - 04 October 2025

09 - 11 October 2025

22 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

24 - 25 July 2026

14 - 16 August 2026

26 - 28 September 2025

18 - 21 September 2025

Asia

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

15 - 17 May 2026

26 - 28 September 2025

19 - 22 June 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 November 2025

18 - 22 March 2026

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Guillaume IOOSS

Nationality

France

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

347

306

348

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

07.20.2025

Ultra Tour des 4 Massifs 2025 - Ut4M 40 Chartreuse

50K

41 KM
2655 M+

08:54:52

351 / 420

279 / 321

07.21.2024

Ultra Tour des 4 Massifs 2024 - Ut4M 40 Chartreuse

20K

25.5 KM
1302 M+

05:06:14

335 / 343

257 / 262

07.21.2023

Ultra Tour des 4 Massifs 2023 - Ut4M 20 Taillefer

20K

22.3 KM
1810 M+

06:04:47

170 / 174

97 / 99

07.21.2022

Ultra Tour des 4 Massifs 2022 - Ut4M20 Vercors

20K

18.9 KM
1810 M+

05:33:30

108 / 113

69 / 70

Statistics

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

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