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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

North America

09 - 12 April 2026

16 - 18 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

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

Africa

29 - 31 May 2026

MYUTMB

Mark WESTERHOLT

Mark WESTERHOLT

Nationality

Netherlands

Age

45-49 Men

Connect to claim this page

Mark WESTERHOLT

Club

Dutch on the trails

Team

Dutch on the trails

Sponsor(s)

None

Website

https://None.com

About the runner

Tail ultra trailer

UTMB Index

Index

20K

50K

100K

100M

651

647

387

397

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

02.15.2026

Castle Trail Bouillon 2026 - CASTLE TRAIL BOUILLON 35 KM

20K

35 KM
1319 M+

04:45:39

204 / 262

177 / 213

01.23.2026

Arc Of Attrition by UTMB 2026 - Arc 100

100M

161.2 KM
5300 M+

-

DNF

DNF

11.30.2025

Trail de la Soupe 2025 - Trail de la Soupe 25km

20K

25 KM
920 M+

03:16:01

295 / 482

242 / 341

10.25.2025

Grizzly100 2025 - Bear Trail 25km

20K

25 KM
565 M+

03:06:42

110 / 228

89 / 159

08.10.2025

Trail Des Fantômes 2025 - TRAIL DES FANTÔMES 35km

20K

35 KM
1380 M+

05:23:31

207 / 277

168 / 212

08.09.2025

Trail Des Fantômes 2025 - TRAIL DES FANTÔMES 20km

20K

20 KM
900 M+

02:56:17

194 / 363

155 / 240

07.12.2025

Trail Verbier St Bernard by UTMB 2025 - X-Traversee

100K

77.5 KM
5030 M+

22:19:04

1061 / 1156

915 / 990

01.25.2025

Arc Of Attrition by UTMB 2025 - Arc 50

100K

80 KM
2300 M+

14:38:25

284 / 348

237 / 290

01.04.2025

Cauberg Trail 2025 - Cauberg Trail | 30km

20K

31 KM
990 M+

03:59:48

115 / 156

101 / 120

09.22.2024

Trail du barrage 2024 - 33km

20K

33 KM
1330 M+

04:57:10

73 / 86

64 / 73

Statistics

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

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