Skip to Content
UTMB Logo Icon
UTMB® World
UTMB World Series Events

Select the event you're interested in

Register to discover the race

Europe

23 - 25 October 2026

30 - 31 October 2026

30 October - 01 November 2026

22 - 24 January 2027

18 - 21 March 2027

01 - 04 April 2027

08 - 10 April 2027

23 - 25 April 2027

30 April - 02 May 2027

13 - 16 May 2027

14 - 16 May 2027

5th June 2027

10 - 13 June 2027

17 - 20 June 2027

18 - 20 June 2027

23 - 27 June 2027

06 - 10 July 2027

07 - 11 July 2027

09 - 11 July 2027

14 - 18 July 2027

15 - 18 July 2027

23 - 25 July 2027

05 - 07 August 2027

06 - 08 August 2027

09 - 12 September 2027

10 - 12 September 2027

24 - 27 September 2026

18 - 20 September 2026

24 - 30 August 2026

Asia

06 - 08 November 2026

13 - 15 November 2026

27 November - 06 December 2026

10 - 12 December 2026

08 - 10 January 2027

05 - 07 March 2027

09 - 11 April 2027

29 April - 02 May 2027

11 - 13 June 2027

17 - 20 June 2027

04 - 05 September 2027

16 - 18 October 2026

02 - 04 October 2026

11 - 13 September 2026

10 - 12 April 2026

14 - 15 March 2026

North America

13 - 15 November 2026

04 - 06 March 2027

08 - 11 April 2027

22 - 25 April 2027

14 - 16 May 2027

04 - 06 June 2027

25 - 27 June 2027

22 - 24 July 2027

16 - 18 September 2027

23 - 26 September 2027

07 - 10 October 2027

01 - 03 October 2026

14 - 16 August 2026

27 - 28 June 2026

South America

18 - 22 November 2026

31 March - 04 April 2027

24 - 27 June 2027

30 July - 01 August 2027

23 - 26 September 2027

Oceania

26 - 28 November 2026

13 - 14 February 2027

13 - 16 May 2027

Africa

27 - 30 May 2027

MYUTMB

Connect to claim this page

Willem WOUDSTRA

Netherlands

45-49 Men

20K
Unavailable UTMB Index
100K
Unavailable UTMB Index

How does the calculation work?

Evolution

Results

How is my score calculated?

Why isn't my result appearing?

2026

September 7

100M

6 Stages

01
50K
50.3 KM4100 M+
02
50K
60.3 KM3200 M+
03
50K
66.1 KM2900 M+
04
50K
70 KM1900 M+
05
100K
72.2 KM3200 M+
06
50K
64.7 KM1300 M+

Dragon's Back Race

Dragon's Back Race

Cat.

100M

country

Type

Distance

383.6 KM

16600 M+

Time

-

Rank

DNF

Gender

DNF

2025

May 16

100M

Ultra-Trail des Chevaliers en Région Grand Est

Trail Alsace Grand Est by UTMB

Cat.

100M

country

Distance

159.8 KM

6610 M+

Time

30:43:10

Rank

369

519

Gender

353

495

2024

October 26

50K

Grutte Pier Ultra 50

Gaasterland Trail

Cat.

50K

country

Distance

50 KM

120 M+

Time

05:57:51

Rank

35

42

Gender

33

38

May 18

100K

GT85

Grand Trail Des Lacs Et Chateaux Summer Edition (GTLC)

Cat.

100K

country

Distance

85.6 KM

3082 M+

Time

14:23:22

Rank

136

191

Gender

130

174

2023

November 19

50K

Uewersauer Trail

TRAIL UEWERSAUER

Cat.

50K

country

Distance

57 KM

2060 M+

Time

08:08:37

Rank

148

213

Gender

137

188

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

Join us

Sponsorship

Race Organisers

Jobs

Stay in Touch

FAQ and Help

Contact Us

MyUTMB+

Follow us

Terms & conditions

Privacy Policy

Cookies preferences

©2024 UTMB® all rights reserved. Ultra-Trail® and UTMB® are registered trademarks..