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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

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Nathan BOIRIN

Nationality

France

Age

20-34 Men

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UTMB Index

Index

20K

50K

100K

100M

686

534

687

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

08.31.2025

La Grande Bambée 2025

50K

44 KM
2700 M+

04:54:21

7 / 126

7 / 106

07.12.2025

Trail Du Tour Des Fiz 2025 - Tour des 5 refuges

50K

34 KM
2330 M+

04:11:19

11 / 729

11 / 523

04.26.2025

TRAIL DES DAHUS SALLANCHARDS 2025 - Les Dahus Courtisans

20K

24 KM
1700 M+

03:06:30

44 / 354

76 / 240

08.10.2024

SIERRE-ZINAL 2024

50K

31.3 KM
2190 M+

03:41:19

379 / 1555

327 / 1301

07.07.2024

Week end du Tour des Glaciers de la Vanoise 2024 - TGV 73K

50K

60 KM
3000 M+

07:52:02

25 / 552

25 / 493

05.05.2024

Trail Nivolet-Revard 2024

50K

58 KM
3030 M+

07:05:33

56 / 528

52 / 476

10.01.2023

Trail du petit saint-bernard 2023 - TPSB 40km

50K

40 KM
2300 M+

04:49:17

15 / 447

14 / 354

07.22.2023

Ultra Tour du Beaufortain 2023

100M

114 KM
7200 M+

18:44:18

20 / 345

20 / 321

06.11.2023

La Comblorane 2023 - XL - 42 km

50K

42.6 KM
2833 M+

05:31:11

22 / 157

22 / 140

08.26.2022

UTMB® Mont Blanc 2022 - UTMB®

100M

170.3 KM
10050 M+

29:49:56

157 / 1789

141 / 1651

Statistics

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

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