Skip to Content
UTMB Logo Icon
UTMB® World
UTMB World Series Events

Select the event you're interested in

Register to discover the race

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

Europe

31 October - 01 November 2025

31 October - 02 November 2025

07 - 09 November 2025

22 - 25 January 2026

19 - 22 March 2026

19 - 21 March 2026

09 - 12 April 2026

24 - 26 April 2026

14 - 17 May 2026

15 - 17 May 2026

23rd May 2026

11 - 14 June 2026

12 - 14 June 2026

24 - 28 June 2026

01 - 05 July 2026

09 - 11 July 2026

10 - 12 July 2026

15 - 19 July 2026

17 - 19 July 2026

24 - 26 July 2026

01 - 02 August 2026

06 - 08 August 2026

24 - 30 August 2026

26 - 28 September 2025

25 - 28 September 2025

19 - 21 September 2025

18 - 21 September 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

OSJ Koumi 2021 - 100 Miles

City / Country

Japan

Date

9th October 2021

Race Category

100M

Distance

168.5 KM

Elevation Gain

8910 M+

race ranking

265 Results

rank
time
name
nationality
age category
Score
76
30:49:13
Takashi SAKAI
Japan
Men
50-54
77
30:50:44
Yoshitsugu NAGAIKE
Japan
Men
35-39
78
30:50:58
Toshiyuki IWASAKI
Japan
Men
45-49
79
30:50:58
Tetsuya MUNAKATA
Japan
Men
45-49
80
30:51:41
Fumikazu KANBARA
Japan
Men
45-49
81
30:51:51
Yoshio SHIMIZU
Japan
Men
45-49
82
30:53:19
Nagao HIROKAZU
Japan
Men
35-39
83
30:58:28
Yuki NAKATSUJI
Japan
Men
35-39
84
31:03:18
Kawai YOSUKE
Japan
Men
40-44
85
31:04:44
Yuki ISHIYAMA
Japan
Men
35-39
86
31:06:40
Tatsuya FUJII
Japan
Men
20-34
87
31:07:30
Jun AOYAGI
Japan
Men
35-39
88
31:08:20
Yusuke ITO
Japan
Men
35-39
89
31:13:01
Kotaro ICHIMURA
Japan
Men
50-54
90
31:16:56
Atsushi SAITO
Japan
Men
40-44
91
31:18:22
Yohei HASHIMOTO
Japan
Men
45-49
92
31:23:43
Masayoshi YAMAZAKI
Japan
Men
35-39
93
31:24:11
Masao ANDO
Japan
Men
55-59
94
31:24:28
Hiroshi MIYAMOTO
Japan
Men
50-54
95
31:25:24
Keisuke ICHIDO
Japan
Men
35-39
96
31:28:15
Yasuhiko HOMMA
Japan
Men
40-44
97
31:29:29
Yuki OHAMA
Japan
Women
35-39
98
31:35:38
Satoshi ODA
Japan
Men
45-49
99
31:36:52
Tomomi HARA
Japan
Women
35-39
100
31:37:24
Shusuke YOKOI
Japan
Men
40-44
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..

Follow the races live