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North America

02 - 04 October 2025

09 - 11 October 2025

22 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

24 - 25 July 2026

14 - 16 August 2026

26 - 28 September 2025

18 - 21 September 2025

Asia

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

15 - 17 May 2026

26 - 28 September 2025

19 - 22 June 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

Europe

31 October - 01 November 2025

31 October - 02 November 2025

07 - 09 November 2025

22 - 25 January 2026

19 - 22 March 2026

19 - 21 March 2026

09 - 12 April 2026

24 - 26 April 2026

14 - 17 May 2026

15 - 17 May 2026

23rd May 2026

11 - 14 June 2026

12 - 14 June 2026

24 - 28 June 2026

01 - 05 July 2026

09 - 11 July 2026

10 - 12 July 2026

15 - 19 July 2026

17 - 19 July 2026

24 - 26 July 2026

01 - 02 August 2026

06 - 08 August 2026

24 - 30 August 2026

26 - 28 September 2025

25 - 28 September 2025

19 - 21 September 2025

18 - 21 September 2025

South America

18 - 22 November 2025

18 - 22 March 2026

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Boris CLAES

Nationality

Belgium

Age

35-39 Men

UTMB Index

Index
20K
50K
100K
100M

508

507

-

-

-

Races

date
Race
country
Cat.
Distance /
mt+
Time
Rank
Gender
Score
03.10.2024
North C Trail 2024 - North C Trail 23km
20K
23 KM
130 M+
02:07:15
52 / 290
49 / 222
01.21.2024
Houffatrail 2024 - Houffa Trail 19km
20K
19.3 KM
590 M+
02:03:02
79 / 439
69 / 305
06.23.2023
Marathon du Mont-Blanc 2023 - Km Vertical
-
3.8 KM
1000 M+
01:02:51
260 / 538
230 / 416
05.14.2023
Grand Trail Des Lacs Et Chateaux Summer Edition (GTLC) 2023 - GT16
20K
16.5 KM
770 M+
01:40:15
39 / 232
37 / 133
03.12.2023
North C Trail 2023 - 21km
20K
21 KM
222 M+
02:04:28
54 / 196
48 / 149
09.19.2020
Trail du barrage 2020 - 27 km
20K
26.9 KM
1000 M+
04:22:10
168 / 221
147 / 187

Statistics

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

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