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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

David ISAACS

Nationality

United States of America

Age

50-54 Men

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UTMB Index

Index

20K

50K

100K

100M

418

-

417

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

04.12.2025

Desert RATS Trail Running Festival by UTMB 2025 - 50K

50K

48 KM
1050 M+

07:27:14

250 / 385

177 / 245

04.13.2024

Zion 2024 - Zion 60k

50K

49 KM
1200 M+

07:00:09

155 / 444

97 / 249

03.12.2023

Antelope Canyon 2023 - 55 Km

50K

53.3 KM
823 M+

08:44:24

106 / 352

61 / 153

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

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