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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

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

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

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 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

Bas CORSTANJE

Nationality

Netherlands

Age

45-49 Men

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UTMB Index

Index

20K

50K

100K

100M

350

348

326

337

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

01.25.2026

Houffatrail 2026 - Houffa Trail 28km

20K

28 KM
1038 M+

04:16:37

495 / 514

393 / 397

01.24.2026

Houffatrail 2026 - Houffa Night Trail 22km

20K

22 KM
602 M+

03:04:49

233 / 253

181 / 190

10.25.2025

Grizzly100 2025 - Bear Trail 25km

20K

25 KM
565 M+

03:35:37

187 / 228

138 / 159

09.27.2025

Nice Côte d’Azur by UTMB® 2025 - Roubion - Nice - 100K

100K

109 KM
5400 M+

28:41:35

770 / 808

674 / 706

05.17.2025

Ultra-Trail Snowdonia by UTMB® 2025 - UTS 50K

50K

57.7 KM
3370 M+

-

DNF

DNF

09.14.2024

Wildstrubel by UTMB 2024 - Wild 50

50K

37 KM
1700 M+

07:21:05

1055 / 1072

799 / 807

03.09.2024

SallandTrail 2024 - 25 Kilometer

20K

25 KM
250 M+

03:10:22

575 / 666

413 / 442

Statistics

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

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