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UTMB World Series Events

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South America

17 - 20 September 2026

18 - 22 November 2026

01 - 04 April 2027

24 - 27 June 2027

30 July - 01 August 2027

North America

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

25 - 27 June 2027

22 - 24 July 2027

10 - 12 September 2026

14 - 16 August 2026

27 - 28 June 2026

Asia

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

11 - 13 September 2026

11 - 13 September 2026

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

MYUTMB

Nathan AELST

Belgium

20-34 Men

50K

Unavailable UTMB Index

100K

Unavailable UTMB Index

100M

Unavailable UTMB Index

How does the calculation work?

Evolution

Result

How is my score calculated?

Why isn't my result appearing?

2026

August 23

20K

UTDS-27

UTDS - Ultra Trail Des Sources

Cat.

20K

country

Distance

27 KM

780 M+

Time

02:45:05

Rank

22

66

Gender

18

46

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

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