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North America

02 - 04 October 2025

09 - 11 October 2025

22 - 23 November 2025

05 - 07 March 2026

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17 - 19 October 2025

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14 - 16 November 2025

29 November - 07 December 2025

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01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

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31 July - 02 August 2026

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27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

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Jakub LOOS

Nationality

Czech Republic

Age

20-34 Men

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UTMB Index

Index

20K

50K

100K

100M

254

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255

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-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

04.12.2025

Istria 100 by UTMB®️ 2025 - 42K

50K

42 KM
950 M+

09:29:36

643 / 643

420 / 420

Statistics

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

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