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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

Stef MERTENS

Nationality

Belgium

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

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Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

01.26.2026

MARATHON DES SABLES MOROCCO ATLANTIC COAST 2026 - MDS ATLANTIC COAST 2026 - 120 KM

50K

105.5 KM
1153 M+

17:07:22

57 / 153

39 / 83

06.03.2018

Ohm Trail 2018 - Ohm Trail Light

20K

23.9 KM
1090 M+

03:43:32

333 / 518

281 / 394

06.04.2017

Ohm Trail 2017 - Ohm Trail Light

20K

24 KM
1020 M+

04:10:54

398 / 463

313 / 335

Statistics

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

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