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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

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

26 - 28 September 2025

Asia

06 - 08 March 2026

14 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

17 - 19 October 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Africa

29 - 31 May 2026

MYUTMB

Mariel MAZZIERI

Nationality

Argentina

Age

50-54 Women

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UTMB Index

Index

20K

50K

100K

100M

362

357

362

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.20.2025

Bariloche Patagonia by UTMB 2025 - NAHUEL HUAPI 33K

20K

36 KM
1421 M+

05:58:14

480 / 779

185 / 361

10.04.2025

UTACCH 2025 - ANSILTA PETZL MERRELL 2025 - UTACCH 26K NAGUAN

20K

26.9 KM
1100 M+

04:23:47

463 / 1003

171 / 516

Statistics

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

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