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

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 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

16 - 18 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2025

Africa

29 - 31 May 2026

MYUTMB

Katsuji IWAMOTO

Nationality

Japan

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

382

-

382

365

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.02.2025

OSJ KAMI100 2025 - 70K

50K

66.4 KM
3343 M+

14:19:05

40 / 52

35 / 45

03.23.2025

Osj Shinshiro Trail 2025 - OSJ SHINSHIRO TRAIL 32K

50K

31.2 KM
2520 M+

07:36:28

362 / 604

327 / 531

12.08.2024

IZU Trail Journey 2024 - ITJ70k

100K

69.1 KM
3242 M+

13:21:25

1164 / 1343

992 / 1120

10.15.2022

FORESTRAIL HIRUZEN-SHINJO 2022 - Long

100K

68 KM
3280 M+

14:50:27

83 / 85

76 / 78

05.21.2022

Mt. Hiei International Trail Run 2022 - 50km

50K

48.6 KM
3010 M+

10:36:52

543 / 573

448 / 476

03.27.2022

Osj Shinshiro Trail 2022 - OSJ SHINSHIRO TRAIL 32K

50K

31.5 KM
2540 M+

07:57:14

422 / 612

380 / 532

11.01.2020

SAIOTO COLORS 2020 - SAIOTO COLORS 31K

20K

31 KM
1790 M+

05:08:42

87 / 153

83 / 137

07.23.2020

KAKITSU 2020 - Long 28k

20K

28.4 KM
1580 M+

05:30:59

58 / 78

49 / 66

10.27.2019

SAIOTO COLORS 2019 - 31K

20K

30.7 KM
1790 M+

05:33:02

44 / 79

38 / 67

05.27.2018

The third Rokko 5peaks Trail Race 2018 - Short Course

20K

28.5 KM
1850 M+

06:43:52

109 / 117

90 / 95

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..

Follow the races live