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

Masato KOBAYASHI

Nationality

Japan

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

397

-

-

384

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

07.13.2025

OSJ Ontake 100 2025 - 100 Km

100K

99.5 KM
3395 M+

16:58:55

650 / 879

553 / 748

06.07.2025

Okushinano100 2025 - 100K

100K

100.8 KM
4680 M+

20:38:43

517 / 523

445 / 448

07.14.2024

OSJ Ontake 100 2024 - 100 Km

100K

109.2 KM
3780 M+

18:52:05

803 / 915

673 / 759

11.18.2023

FTR Chichibu＆ Okumusashi 2023 - 100k

100K

106.2 KM
5790 M+

30:32:06

423 / 446

367 / 386

10.14.2023

Jungle Guruguru Max 2023 - Jungle Guruguru Max 120km

100M

120 KM
7200 M+

32:05:32

26 / 29

23 / 25

06.10.2023

Okushinano100 2023 - 100K

100K

100.8 KM
4680 M+

20:21:33

551 / 579

475 / 497

05.14.2023

FunTrails Round Minano 2023 - 50k

50K

53 KM
2870 M+

09:26:22

267 / 394

237 / 332

06.11.2022

Okushinano100 2022 - 100K

100K

100.8 KM
4680 M+

-

DNF

DNF

12.12.2021

IZU Trail Journey 2021 - ITJ70k

100K

69.1 KM
3242 M+

13:21:04

1145 / 1267

979 / 1068

05.30.2020

SKYLINE TRAIL SUGADAIRA 2020 - Sky Full

50K

43.9 KM
2250 M+

08:12:29

270 / 338

238 / 294

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..