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UTMB World Series Events

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North America

28 - 29 June 2025

24 - 26 July 2025

18 - 21 September 2025

27 - 28 September 2025

02 - 04 October 2025

09 - 11 October 2025

09 - 12 April 2026

23 - 25 April 2026

South America

01 - 03 August 2025

18 - 21 September 2025

18 - 22 November 2025

18 - 22 March 2026

19 - 21 June 2025

Asia

26 - 28 September 2025

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

14 - 16 November 2025

29 November - 07 December 2025

19 - 22 June 2025

16 - 18 May 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

Click here to follow the races live for La Sportiva Lavaredo Ultra Trail by UTMB

Click here to follow the races live for La Sportiva Lavaredo Ultra Trail by UTMB

MY UTMB

Nathan BLOSSER

Nationality

United States of america

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

715

717

-

573

449

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

05.04.2025

Miwok 100K 2025

100K

99.9 KM
3360 M+

11:32:55

37 / 259

31 / 182

03.24.2025

The Big Alta 2025 - 28K

20K

28 KM
1190 M+

02:05:54

7 / 233

7 / 140

10.27.2024

Javelina Jundred 2024 - 100 Miles

100M

159.2 KM
1810 M+

25:04:09

194 / 421

136 / 257

Statistics

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

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