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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

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Kostadin STEFANIEV

Nationality

Bulgaria

Age

40-44 Men

UTMB Index

Index

20K

50K

100K

100M

404

397

401

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

04.26.2025

Kodzha Kaya 2025 - 42 km

50K

42 KM
2700 M+

08:47:08

67 / 92

55 / 74

10.26.2024

Rebel Trails Marathon 2024 - Rebel Trails Marathon Sky

50K

41.5 KM
2500 M+

07:42:38

102 / 134

86 / 115

09.28.2024

K3 ULTRA GOLD BORDER RACE 2024 - GBR63

50K

63 KM
2300 M+

10:48:11

45 / 84

34 / 65

04.28.2024

Kodzha Kaya 2024 - 42km

50K

42.6 KM
2510 M+

07:59:08

55 / 86

48 / 75

10.21.2023

Rebel Trails Marathon 2023 - Rebel Trails Half Marathon

20K

20 KM
1400 M+

03:33:51

91 / 201

74 / 145

Statistics

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

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