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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 BONESIRE

Nationality

Belgium

Age

20-34 Men

UTMB Index

Index

20K

50K

100K

100M

506

490

505

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

02.22.2025

ULTRA TRAIL DE LA SIBERIE 2025 - ULTRA TRAIL DE LA SIBERIE 50KM

50K

52 KM
1700 M+

06:12:22

62 / 205

55 / 172

10.05.2024

Munster'Trail 2024 - Munster'Trail 60km

50K

60 KM
3500 M+

09:26:26

108 / 253

98 / 208

08.15.2024

L'enfer du Viroin 2024

20K

35 KM
1196 M+

04:14:03

64 / 148

58 / 119

04.27.2024

Trail du Grand Ballon 2024 - Trail du Grand Ballon 48km

50K

47.6 KM
2040 M+

06:50:16

103 / 450

96 / 363

10.22.2023

Trail de Bruxelles 2023 - 21km

20K

21 KM
270 M+

01:46:39

49 / 303

46 / 224

Statistics

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

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