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UTMB World Series Events

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North America

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

04 - 06 June 2027

21 - 23 August 2026

14 - 16 August 2026

23 - 25 July 2026

27 - 28 June 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

09 - 11 April 2027

18 - 21 June 2026

12 - 14 June 2026

30 April - 03 May 2026

10 - 12 April 2026

14 - 15 March 2026

South America

17 - 20 September 2026

18 - 22 November 2026

24 - 27 June 2027

30 July - 01 August 2027

20 - 22 March 2026

Oceania

26 - 28 November 2026

13 - 14 February 2027

13 - 16 May 2027

Africa

27 - 30 May 2027

MYUTMB

Koen BOOSTER

Netherlands

20-34 Men

100K

Unavailable UTMB Index

100M

Unavailable UTMB Index

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Evolution

Results

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2025

November 29

50K

Utrechtse Heuvelrug Ultra (50km - Rhenen)

UTRECHTSE HEUVELRUG ULTRA TRAIL WINTER

Cat.

50K

country

Distance

53 KM

650 M+

Time

05:51:32

Rank

96

220

Gender

82

171

2024

October 26

20K

Bear Trail 39km

Grizzly100

Cat.

20K

country

Distance

38.9 KM

972 M+

Time

04:42:27

Rank

96

180

Gender

74

134

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

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