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Europe

15 - 19 July 2026

17 - 19 July 2026

24 - 26 July 2026

01 - 02 August 2026

06 - 08 August 2026

24 - 30 August 2026

10 - 13 September 2026

11 - 13 September 2026

18 - 20 September 2026

24 - 27 September 2026

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

30 April - 02 May 2027

13 - 16 May 2027

5th June 2027

10 - 13 June 2027

23 - 27 June 2027

10 - 12 July 2026

09 - 11 July 2026

01 - 05 July 2026

18 - 20 June 2026

12 - 14 June 2026

15 - 17 May 2026

24 - 26 April 2026

North America

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

04 - 06 March 2027

08 - 11 April 2027

22 - 25 April 2027

14 - 16 May 2027

27 - 28 June 2026

South America

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

26 - 28 June 2026

20 - 22 March 2026

Asia

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

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

18 - 21 June 2026

12 - 14 June 2026

30 April - 03 May 2026

10 - 12 April 2026

14 - 15 March 2026

Oceania

26 - 28 November 2026

13 - 14 February 2027

13 - 16 May 2027

Africa

27 - 30 May 2027

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Bas WITTERS

Netherlands

20-34 Men

100K
Unavailable UTMB Index
100M
Unavailable UTMB Index

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Results

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2026

July 5

20K

Chouffe Trail 28km

Chouffe Trail

Cat.

20K

country

Distance

28.4 KM

1015 M+

Time

03:42:54

Rank

209

449

Gender

181

328

May 1

50K

Oh Meu Deus 50K

Oh Meu Deus by UTMB

Cat.

50K

country

Distance

52 KM

2900 M+

Time

10:38:38

Rank

582

686

Gender

488

556

2025

November 29

50K

Utrechtse Heuvelrug Ultra (50km - Rhenen)

UTRECHTSE HEUVELRUG ULTRA TRAIL WINTER

Cat.

50K

country

Distance

53 KM

650 M+

Time

06:20:20

Rank

158

220

Gender

130

171

September 28

20K

Saint-Jean-Cap-Ferrat - Nice - 20K

Nice Côte d’Azur by UTMB®

Cat.

20K

country

Distance

23 KM

680 M+

Time

03:17:23

Rank

658

1209

Gender

466

690

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

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