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UTMB World Series Events

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Oceania

14 - 15 February 2026

14 - 17 May 2026

26 - 28 November 2026

North America

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

13 - 15 November 2026

02 - 04 October 2025

26 - 28 September 2025

Asia

06 - 08 March 2026

14 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

08 - 09 November 2025

17 - 19 October 2025

11 - 20 April 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Africa

29 - 31 May 2026

MYUTMB

Sietse VAN HAERSMA BUMA

Sietse VAN HAERSMA BUMA

Nationality

Netherlands

Age

20-34 Men

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UTMB Index

Index

20K

50K

100K

100M

414

355

385

415

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

07.04.2025

HOKA Val d’Aran by UTMB® 2025 - Camins d'Hèr - CDH variante 2025

100K

83.8 KM
4240 M+

16:11:57

38 / 339

36 / 297

08.11.2024

Trail Des Fantômes 2024 - 23km

20K

23 KM
950 M+

04:16:48

293 / 368

223 / 262

06.29.2024

Kaiserkrone 2024 - Kaiserkrone Speed Trail

20K

20.6 KM
1430 M+

05:05:05

167 / 201

114 / 127

05.20.2024

Trail Alsace Grand Est by UTMB 2024 - Trail des Celtes

50K

50 KM
1980 M+

07:54:04

1328 / 1701

1130 / 1389

Statistics

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

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