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UTMB World Series Events

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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

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

14 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

17 - 19 October 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

Ryuta IWAI

Nationality

Japan

Age

20-34 Men

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Sponsor(s)

NNormal Japan

UTMB Index

Index

20K

50K

100K

100M

791

710

764

779

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.15.2025

TransLantau by UTMB 2025 - TransLantau80

100K

79 KM
3900 M+

09:31:06

3 / 467

3 / 385

11.02.2025

SEA ALPS TRAIL JOURNEY 2025 - Michinoku shiokaze trail route

50K

49 KM
2098 M+

04:40:22

2 / 233

2 / 172

10.12.2025

Japan Mountain Endurance Race 2025

100K

71.5 KM
4800 M+

-

DNF

DNF

09.07.2025

OSJ Adatara Trail 2025 - 50km

50K

49 KM
3740 M+

07:28:37

1 / 220

1 / 198

06.21.2025

Kaga Spa by UTMB 2025 - 2025 Kaga Spa Trail Endurance 50

50K

58.2 KM
2703 M+

07:06:29

13 / 653

12 / 466

06.07.2025

Okushinano100 2025 - 25K

20K

26.6 KM
1316 M+

02:29:36

5 / 116

5 / 85

11.16.2024

DEMENTS 2024 - Marató dels Dements

50K

42.5 KM
3808 M+

05:57:35

44 / 472

37 / 400

10.13.2024

Japan Mountain Endurance Race 2024

100K

71.5 KM
4800 M+

08:42:32

18 / 1503

18 / 1299

09.08.2024

OSJ Adatara Trail 2024 - 50km

50K

49 KM
3740 M+

07:25:35

2 / 204

2 / 173

06.08.2024

Okumusashi Long Trail Race 105K & 35K 2024 - The 2nd Okumusashi Long Trail Race 105K

100M

105 KM
8495 M+

-

DNF

DNF

Statistics

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UTMB® World Series - Ranking of trail runners by performance level on trail running

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