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UTMB World Series Events

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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

South America

18 - 22 November 2025

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Isabelle CHATTON CHAMBAZ

Nationality

Switzerland

Age

50-54 Women

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UTMB Index

Index

20K

50K

100K

100M

404

405

385

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

08.23.2025

RunThrough Trails Engelberg 2025 - Engelberg 25K

20K

24 KM
1200 M+

03:41:13

279 / 460

90 / 178

09.14.2024

Wildstrubel by UTMB 2024 - Wild 50

50K

37 KM
1700 M+

06:13:12

903 / 1072

204 / 265

06.17.2023

Trail du Grammont 2023 - 27k solo

20K

28.7 KM
1880 M+

05:50:18

112 / 126

29 / 34

06.05.2022

SWISS CANYON TRAIL 2022 - K31

20K

32.2 KM
1400 M+

04:33:59

342 / 510

104 / 192

06.19.2021

Trail du Grammont 2021 - 27k solo

20K

28.6 KM
1940 M+

05:36:52

332 / 339

79 / 80

Statistics

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

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