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UTMB World Series Events

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North America

16 - 18 April 2026

23 - 26 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

09 - 12 April 2026

Asia

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

13 - 15 November 2026

28 November - 06 December 2026

10 - 12 December 2026

10 - 12 April 2026

14 - 15 March 2026

06 - 08 March 2026

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

Africa

29 - 31 May 2026

South America

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

20 - 22 March 2026

MYUTMB

Gregory CLAESSENS

Nationality

Belgium

Age

40-44 Men

UTMB Index

Index

20K

50K

100K

100M

439

437

-

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

10.20.2024

Trail de Bruxelles 2024 - 34km

20K

34 KM
430 M+

03:22:16

85 / 198

79 / 163

08.13.2022

Trail Des Fantômes 2022 - 42km

50K

42 KM
1680 M+

06:56:09

108 / 186

97 / 150

03.13.2022

North C Trail 2022 - 42km

20K

42 KM
620 M+

04:50:31

76 / 91

69 / 83

07.10.2021

La Chouffe Trail 2021 - 36km

20K

36 KM
1010 M+

04:30:04

80 / 136

70 / 111

Statistics

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

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