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UTMB World Series Events

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North America

02 - 04 October 2025

09 - 11 October 2025

22 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

24 - 25 July 2026

14 - 16 August 2026

26 - 28 September 2025

18 - 21 September 2025

Asia

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

15 - 17 May 2026

26 - 28 September 2025

19 - 22 June 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 November 2025

18 - 22 March 2026

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Boris KACHAMAKOV

Nationality

Bulgaria

Age

45-49 Men

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UTMB Index

Index

20K

50K

100K

100M

530

531

511

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

04.27.2025

Kodzha Kaya 2025 - 30km

20K

30 KM
1950 M+

03:57:30

13 / 217

11 / 174

10.26.2024

Rebel Trails Marathon 2024 - Rebel Trails Marathon Sky

50K

41.5 KM
2500 M+

05:59:56

44 / 134

35 / 115

07.13.2024

Tryavna Ultra 2024 - 42km

50K

41.5 KM
1700 M+

04:52:47

16 / 256

15 / 204

04.28.2024

Kodzha Kaya 2024 - 30km

20K

30 KM
1950 M+

04:22:11

17 / 154

12 / 112

10.21.2023

Rebel Trails Marathon 2023

50K

42 KM
2500 M+

06:16:14

29 / 117

25 / 100

07.15.2023

Tryavna Ultra 2023 - 42km

50K

41.5 KM
1900 M+

05:29:14

39 / 246

35 / 190

04.30.2023

Kodzha Kaya 2023 - 75km

100K

75 KM
4460 M+

13:15:36

27 / 48

23 / 41

07.15.2022

Tryavna Ultra 2022 - 100km

100K

98.7 KM
4230 M+

15:40:17

17 / 60

15 / 48

05.01.2022

Kodzha Kaya 2022 - 75km

100K

75 KM
4460 M+

13:05:17

21 / 41

19 / 36

07.17.2021

Tryavna Ultra 2021 - 100km

100K

98.7 KM
4230 M+

16:52:08

17 / 52

16 / 46

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

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