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UTMB World Series Events

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Asia

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

30 April - 03 May 2026

15 - 17 May 2026

18 - 21 June 2026

11 - 13 September 2026

10 - 12 December 2026

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 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

North America

21 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

02 - 04 October 2025

26 - 28 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Natacha KOCZOROWSKI

Nationality

France

Age

45-49 Women

UTMB Index

Index

20K

50K

100K

100M

429

428

-

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

09.27.2025

Trail du petit saint-bernard 2025 - 10KM DE LA VILLE DES GLACIERS

-

10 KM
400 M+

01:04:21

54 / 127

15 / 70

08.10.2025

Trail du Corbier 2025 - Trail de l'Ouillon

-

9 KM
250 M+

01:00:51

33 / 132

5 / 60

07.12.2025

Trail Des Passerelles Du Monteynard 2025 - Trail de l'Ébron

20K

16 KM
750 M+

02:08:51

115 / 590

21 / 327

06.28.2025

Marathon du Mont-Blanc 2025 - 10 Km du Mont-Blanc

-

9.8 KM
270 M+

01:07:46

543 / 1697

131 / 922

05.18.2025

Trail Du Moucherotte 2025 - L'explo'trail

20K

24 KM
1250 M+

03:48:14

300 / 458

65 / 136

10.20.2024

Le défi de fort l'écluse 2024 - Le défi de fort l'écluse 19km La porte de Genève

20K

19.1 KM
970 M+

02:23:21

237 / 360

33 / 93

07.28.2024

Vars Montagne Trail 2024 - Les 5 cols

20K

23 KM
1300 M+

05:02:20

213 / 261

57 / 78

11.19.2023

Trail de l'Arclusaz 2023 - Trail de l'Arclusaz 11K

-

11 KM
500 M+

01:26:24

109 / 260

28 / 133

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

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