Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

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

08 - 11 October 2026

13 - 15 November 2026

02 - 04 October 2025

26 - 28 September 2025

Asia

06 - 08 March 2026

13 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

08 - 09 November 2025

17 - 19 October 2025

17 - 19 October 2025

11 - 20 April 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

Akira KOBAYASHI

Nationality

Japan

Age

45-49 Men

UTMB Index

Index

20K

50K

100K

100M

497

-

-

496

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

04.25.2025

MtFUJI100 2025 - FUJI

100M

168.6 KM
6254 M+

-

DNF

DNF

03.23.2024

Hiroshima Wangan Trail Run 2024 - 109km

100K

107 KM
6180 M+

24:13:27

159 / 497

141 / 415

11.26.2023

Rokko 24 peaks hunt 2023 - 45k

50K

47 KM
3880 M+

08:29:17

40 / 133

39 / 112

10.22.2023

FORESTRAIL HIRUZEN-SHINJO 2023 - Long

100K

68 KM
3280 M+

11:46:03

53 / 157

49 / 143

06.04.2023

Nagi Peaks Tough Trail Challenge 2023 - Middle

50K

32 KM
1960 M+

05:27:48

55 / 316

50 / 274

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

Cookies preferences

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