Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Africa

22 - 23 June 2024

22 - 25 May 2025

North America

29th June 2024

19 - 20 July 2024

20 - 22 September 2024

28 - 29 September 2024

11 - 12 October 2024

07 - 09 November 2024

11 - 13 April 2025

25 - 26 April 2025

South America

02 - 04 August 2024

19 - 22 September 2024

09 - 12 May 2024

Asia

12 - 13 October 2024

17 - 20 October 2024

08 - 10 November 2024

15 - 17 November 2024

05 - 08 December 2024

03 - 05 May 2024

19 - 21 April 2024

Oceania

28 - 30 November 2024

15 - 16 February 2025

15 - 18 May 2025

MY UTMB

Konstantin KALCHEV

Nationality

Bulgaria

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

405

-

403

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

05.27.2023

Thracian Ultra 2023

50K

48.2 KM
2690 M+

10:57:36

85 / 94

74 / 78

08.21.2021

Persenk Ultra 2021 - OREHOVO ULTRA

50K

50.9 KM
2740 M+

09:46:09

49 / 113

44 / 94

09.26.2020

K3 ULTRA GOLD BORDER RACE 2020 - GBR53

50K

52.3 KM
2000 M+

08:31:41

77 / 133

61 / 97

08.22.2020

Persenk Ultra 2020 - OREHOVO ULTRA

50K

50.8 KM
2740 M+

-

DNF

DNF

09.28.2019

K3 ULTRA GOLD BORDER RACE 2019 - GBR85

100K

86.3 KM
3780 M+

18:11:00

34 / 40

29 / 33

08.16.2019

Persenk Ultra 2019 - PERSENK ULTRA

100M

164.6 KM
7090 M+

41:23:55

37 / 46

33 / 40

07.27.2019

Jahorina Ultra-Trail® 2019 - Ultra Trail

100K

101.2 KM
3850 M+

22:23:46

41 / 52

37 / 44

03.31.2019

Vodno-Matka Trail Marathon 2019 - Vodno-Matka Trail Marathon

50K

42 KM
3070 M+

08:41:51

62 / 99

52 / 82

Statistics

Filter by UTMB INDEX

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

Join us

Sponsorship

Race Organisers

Jobs

Stay in Touch

FAQ and Help

Contact Us

Follow us

Terms & conditions

Privacy Policy

©2024 UTMB® all rights reserved. Ultra-Trail® and UTMB® are registered trademarks..