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UTMB World Series Events

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Oceania

14 - 15 February 2026

14 - 17 May 2026

26 - 28 November 2026

North America

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

13 - 15 November 2026

02 - 04 October 2025

26 - 28 September 2025

Asia

06 - 08 March 2026

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 2026

11 - 13 September 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

08 - 09 November 2025

17 - 19 October 2025

17 - 19 October 2025

16 - 18 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2025

Africa

29 - 31 May 2026

MYUTMB

Léon BOLWEG

Nationality

Netherlands

Age

40-44 Men

UTMB Index

Index

20K

50K

100K

100M

457

-

457

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

07.26.2025

Veluwse Ultra Trail 2025 - Veluwse Ultra Trail 50km Noord

50K

50 KM
330 M+

06:44:53

44 / 70

37 / 53

04.26.2025

Hollands Duin Ultra 2025 - HOLLANDS DUIN ULTRA

50K

50 KM
450 M+

06:20:40

102 / 141

93 / 119

01.26.2025

LEENDERBOS ULTRA 2025 - LEENDERBOS ULTRA

50K

51 KM
85 M+

04:48:10

18 / 166

17 / 128

10.26.2024

Lage Vuursche Ultra 2024

50K

50 KM
350 M+

06:06:14

101 / 147

92 / 120

Statistics

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

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