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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

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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

OSJ Koumi 100 2025 - 100 Miles

City / Country

Japan

Date

12th October 2025

Race Category

100M

Distance

166.8 KM

Elevation Gain

7885 M+

race ranking

123 Results

rank

time

name

nationality

age category

Score

26

30:15:02

Japan

Men

35-39

27

30:16:03

Japan

Women

40-44

28

30:22:58

Japan

Men

40-44

29

30:26:55

Masato MIZUKOSHI

Japan

Men

45-49

30

30:31:42

Japan

Men

50-54

31

30:38:10

Japan

Men

35-39

32

30:51:59

Japan

Men

50-54

33

30:52:17

Japan

Men

45-49

34

30:53:59

Japan

Women

40-44

35

30:56:17

Japan

Women

50-54

36

31:15:22

Akihiko NAKAMURA

Japan

Men

35-39

37

31:19:16

Japan

Men

35-39

38

31:24:38

Japan

Men

35-39

39

31:31:05

Masayoshi YAMAUCHI

Japan

Men

55-59

40

31:46:56

Hisahiko WATANABE

Japan

Men

40-44

41

31:54:57

Japan

Men

45-49

42

31:58:47

Takayuki MURAMATU

Japan

Men

40-44

43

32:00:30

Hiroyuki MARUYAMA

Japan

Men

55-59

44

32:07:21

Hiroyuki INOMATA

Japan

Men

50-54

45

32:10:41

Japan

Men

35-39

46

32:15:28

Japan

Men

50-54

47

32:18:25

Katsumi TAKIZAWA

Japan

Men

45-49

48

32:19:45

Japan

Men

35-39

49

32:22:23

Japan

Men

35-39

50

32:29:42

Takashi HANASHIRO

Japan

Men

50-54

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