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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

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

26 - 28 September 2025

Asia

06 - 08 March 2026

14 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

17 - 19 October 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Africa

29 - 31 May 2026

MYUTMB

Stefan ZAJĄC

Nationality

Colombia

Age

40-44 Men

UTMB Index

Index

20K

50K

100K

100M

570

549

568

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

04.26.2025

Pieniny Ultra-Trail 2025 - Żwawe Wierchy

20K

33.4 KM
1600 M+

03:40:41

74 / 706

66 / 470

04.20.2024

Pieniny Ultra-Trail 2024 - Wielka Prehyba

50K

43.7 KM
2060 M+

04:46:21

106 / 882

90 / 661

10.07.2023

Bison Ultra-Trail® 2023 - Bison Trail 50

50K

52 KM
740 M+

-

DNF

DNF

04.22.2023

Pieniny Ultra-Trail 2023 - Żwawe Wierchy

20K

33.8 KM
1600 M+

03:49:12

61 / 424

54 / 299

Statistics

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

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