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North America

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

04 - 06 March 2027

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22 - 25 April 2027

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27 - 28 June 2026

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31 July - 02 August 2026

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18 - 22 November 2026

26 - 28 June 2026

20 - 22 March 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

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05 - 07 March 2027

18 - 21 June 2026

12 - 14 June 2026

30 April - 03 May 2026

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14 - 15 March 2026

Oceania

26 - 28 November 2026

13 - 14 February 2027

13 - 16 May 2027

Africa

27 - 30 May 2027

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Natalie COSTERS

Belgium

35-39 Women

UTMB Index Race

Unavailable UTMB Index

20K

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50K

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100K

Unavailable UTMB Index

100M

Unavailable UTMB Index

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2026

May 17

SONIAN FOREST - 12KM

Marathon Sonian Forest

Cat.

country

Distance

12 KM

180 M+

Time

01:41:08

Rank

111

119

Gender

63

69

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

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