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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

William WALCKER

Nationality

France

Age

35-39 Men

Connect to claim this page

Club

Näak

Team

Näak

Sponsor(s)

Näak

Website

https://naak.com

About the runner

co-founder of Näak

UTMB Index

Index

20K

50K

100K

100M

656

642

654

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

08.25.2025

HOKA UTMB Mont-Blanc 2025 - MCC

50K

40 KM
2350 M+

05:04:01

119 / 1125

105 / 742

06.01.2025

Trail de la Bergère 2025 - Trail de la Bergère

20K

25 KM
647 M+

01:46:24

2 / 101

2 / 71

04.26.2025

The Canyons Endurance Runs by UTMB® 2025 - 50K

50K

50 KM
1700 M+

04:27:03

41 / 601

35 / 403

06.28.2024

Lavaredo Ultra Trail by UTMB® 2024 - Lavaredo 50K

50K

48.9 KM
2725 M+

05:39:59

64 / 1570

57 / 1179

06.22.2023

Lavaredo Ultra Trail by UTMB® 2023 - Lavaredo 20K

20K

20.7 KM
1030 M+

-

DNF

DNF

09.11.2022

Ultra-Trail Harricana du Canada 2022 - 28 km Duo de nuit / Night duo

20K

26 KM
1000 M+

02:39:24

2 / 85

2 / 50

06.05.2022

SWISS CANYON TRAIL 2022 - SWISS CANYON TRAIL K51

50K

51 KM
2500 M+

05:00:09

12 / 342

12 / 255

09.05.2020

Ultra-Trail® Harricana du Canada 2020 - 125K

100K

125.1 KM
4020 M+

17:50:26

13 / 83

13 / 73

09.07.2019

Ultra-Trail® Harricana du Canada 2019 - 65K

50K

62.6 KM
1870 M+

-

DNF

DNF

06.15.2019

Ultra Trail Gaspesia 100 2019 - 53 km

50K

54.2 KM
1390 M+

06:39:31

12 / 91

12 / 71

Statistics

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

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