Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Africa

24 - 26 May 2024

22 - 23 June 2024

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

16 - 17 November 2024

05 - 08 December 2024

03 - 05 May 2024

19 - 21 April 2024

Oceania

28 - 30 November 2024

15 - 16 February 2025

16 - 19 May 2024

MY UTMB

Masahiro ARAKI

Nationality

Japan

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

463

464

-

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

05.21.2023

Arashiyama Round Trail 2023 - 30k

20K

31.4 KM
1390 M+

05:29:12

17 / 86

17 / 75

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..