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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

Yuko KOBAYASHI

Nationality

Japan

Age

20-34 Women

UTMB Index

Index

20K

50K

100K

100M

570

-

515

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

04.27.2025

Ishioka Trailrun Race 2025 - Super Long

50K

50 KM
2080 M+

05:53:57

36 / 168

3 / 18

09.24.2023

Furano Trailrun 2023 - 30km

20K

27 KM
2020 M+

04:11:11

14 / 98

2 / 12

05.28.2023

OSJ Okukuji Trail 2023 - 30 Km

20K

26.5 KM
1810 M+

04:43:47

40 / 382

7 / 67

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

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