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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

08 - 11 October 2026

13 - 15 November 2026

02 - 04 October 2025

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

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

08 - 09 November 2025

17 - 19 October 2025

11 - 20 April 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

Aleksandar ZAFIROV

Nationality

Bulgaria

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

398

397

-

336

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

07.18.2025

Tryavna Ultra 2025 - 100km

100K

97.2 KM
4000 M+

21:23:00

92 / 113

82 / 102

07.13.2024

Tryavna Ultra 2024 - 21km

20K

21 KM
680 M+

02:26:54

163 / 532

137 / 381

07.15.2023

Tryavna Ultra 2023 - 21km

20K

21 KM
680 M+

02:37:22

191 / 456

148 / 297

Statistics

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

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