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Africa

29 - 31 May 2026

Asia

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

13 - 15 November 2026

28 November - 06 December 2026

10 - 12 December 2026

30 April - 03 May 2026

10 - 12 April 2026

14 - 15 March 2026

06 - 08 March 2026

South America

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

20 - 22 March 2026

North America

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

08 - 11 April 2027

22 - 25 April 2027

15 - 17 May 2026

16 - 18 April 2026

Oceania

26 - 28 November 2026

13 - 14 February 2027

14 - 17 May 2026

MYUTMB

Boris KOSTOV

Bulgaria

35-39 Men

20K

Unavailable UTMB Index

100K

Unavailable UTMB Index

100M

Unavailable UTMB Index

How does the calculation work?

Evolution

Results

2024

October 26

50K

Rebel Trails Marathon Sky

Rebel Trails Marathon

Cat.

50K

country

Distance

41.5 KM

2500 M+

Time

04:37:53

Rank

4

134

Gender

4

115

August 4

50K

Balkaniada Classic

Balkaniada Sky Race

Cat.

50K

country

Distance

43.2 KM

2570 M+

Time

05:43:20

Rank

5

150

Gender

5

120

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

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