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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

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 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

17 - 19 October 2025

16 - 18 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2025

Africa

29 - 31 May 2026

MYUTMB

Konstantin NIKOLOV

Nationality

Bulgaria

Age

20-34 Men

UTMB Index

Index

20K

50K

100K

100M

469

-

-

468

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

09.14.2025

Pirin Ultra 2025 - 69 km

100K

69 KM
4380 M+

18:46:35

85 / 88

70 / 73

09.30.2023

K3 ULTRA GOLD BORDER RACE 2023 - GBR43

50K

43 KM
1400 M+

05:11:19

25 / 245

22 / 189

09.09.2023

Pirin Extreme & Pirin Ultra 2023 - Ultra 66km

100K

67.9 KM
4420 M+

14:12:47

38 / 139

33 / 115

07.15.2023

Tryavna Ultra 2023 - 42km

50K

41.5 KM
1900 M+

05:38:05

48 / 246

44 / 190

Statistics

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

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