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North America

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

04 - 06 March 2027

08 - 11 April 2027

22 - 25 April 2027

14 - 16 May 2027

27 - 28 June 2026

South America

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

26 - 28 June 2026

20 - 22 March 2026

Asia

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

13 - 15 November 2026

27 November - 06 December 2026

10 - 12 December 2026

08 - 10 January 2027

05 - 07 March 2027

18 - 21 June 2026

12 - 14 June 2026

30 April - 03 May 2026

10 - 12 April 2026

14 - 15 March 2026

Oceania

26 - 28 November 2026

13 - 14 February 2027

13 - 16 May 2027

Africa

27 - 30 May 2027

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Yuji IWAKI

Japan

55-59 Men

100M

Unavailable UTMB Index

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Results

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2026

May 3

100M

100 mile

Yarikan

Cat.

100M

country

Distance

177.3 KM

8196 M+

Time

-

Rank

DNF

Gender

DNF

2025

November 2

100K

100K

OSJ KAMI100

Cat.

100K

country

Distance

99.8 KM

5019 M+

Time

23:49:19

Rank

129

141

Gender

116

125

October 10

100M

LAKE BIWA100

LAKE BIWA 100

Cat.

100M

country

Distance

169 KM

10500 M+

Time

-

Rank

DNF

Gender

DNF

June 6

100M

100K

Tamba 100 Adventure Trail

Cat.

100M

country

Distance

104 KM

9700 M+

Time

-

Rank

DNF

Gender

DNF

June 6

100M

100 mile

Tamba 100 Adventure Trail

Cat.

100M

country

Distance

174 KM

16300 M+

Time

-

Rank

DNF

Gender

DNF

2024

December 14

50K

Kozaji Round Traverse 32km

Kozanji Round Traverse

Cat.

50K

country

Distance

32 KM

2349 M+

Time

09:41:20

Rank

5

6

Gender

4

5

July 28

20K

30k

KAKITSU

Cat.

20K

country

Distance

31.2 KM

1710 M+

Time

06:16:33

Rank

64

143

Gender

56

122

June 7

100M

100 mile

Tamba 100 Adventure Trail

Cat.

100M

country

Distance

168 KM

16210 M+

Time

-

Rank

DNF

Gender

DNF

May 3

100M

100 mile

Yarikan

Cat.

100M

country

Distance

174.3 KM

7251 M+

Time

35:31:00

Rank

52

55

Gender

46

49

2023

November 4

100M

100K

OSJ KAMI100

Cat.

100M

country

Distance

110.3 KM

6190 M+

Time

23:06:53

Rank

112

157

Gender

97

133

October 6

100M

LAKE BIWA100

LAKE BIWA 100

Cat.

100M

country

Distance

169 KM

10500 M+

Time

-

Rank

DNF

Gender

DNF

June 2

100M

100K

Tamba 100 Adventure Trail

Cat.

100M

country

Distance

103 KM

9600 M+

Time

42:55:39

Rank

62

65

Gender

56

59

April 29

100M

100mile

Yarikan100

Cat.

100M

country

Distance

174 KM

9200 M+

Time

-

Rank

DNF

Gender

DNF

March 18

100K

Hikami Aogaki Great Trail

Hikami Aogaki Great Trail

Cat.

100K

country

Distance

58 KM

5300 M+

Time

17:32:30

Rank

24

34

Gender

22

32

January 8

50K

Ashida Castle Trail Running Race 2023 3 Loops

Ashida Castle Trail Running Race

Cat.

50K

country

Distance

42 KM

4017 M+

Time

09:05:47

Rank

8

9

Gender

8

9

2022

November 5

100M

100K

OSJ KAMI100

Cat.

100M

country

Distance

110.3 KM

6190 M+

Time

24:06:09

Rank

125

151

Gender

114

133

October 7

100M

LAKE BIWA100

LAKE BIWA 100

Cat.

100M

country

Distance

169 KM

10500 M+

Time

-

Rank

DNF

Gender

DNF

July 10

50K

40km

Kannabe Panorama Trail

Cat.

50K

country

Distance

40 KM

2400 M+

Time

07:13:29

Rank

35

86

Gender

31

73

April 30

100M

Yarikan100

Yarikan100

Cat.

100M

country

Distance

204 KM

8000 M+

Time

-

Rank

DNF

Gender

DNF

2019

October 27

100K

78 Km

OSJ Hyonosen Trail

Cat.

100K

country

Distance

80.7 KM

3410 M+

Time

13:04:07

Rank

106

279

Gender

100

257

2018

October 21

100K

78 Km

OSJ Hyonosen Trail

Cat.

100K

country

Distance

79.4 KM

3730 M+

Time

13:44:42

Rank

181

295

Gender

169

272

September 23

100K

LONG 70K

FORESTRAIL

Cat.

100K

country

Distance

75.1 KM

3270 M+

Time

13:55:25

Rank

130

176

Gender

119

161

May 12

50K

50km

Mt. Hiei INTERNATIONAL TRAIL RUN

Cat.

50K

country

Distance

47.4 KM

3190 M+

Time

09:50:26

Rank

331

535

Gender

301

479

2014

October 19

100K

68 Km

OSJ Hyonosen Trail

Cat.

100K

country

Distance

68.1 KM

3640 M+

Time

13:14:18

Rank

239

357

Gender

232

336

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