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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

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

Masashi IWAHASHI

Nationality

Japan

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

374

-

373

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.02.2025

Jyoetsumyoko Express Trail 2025 - 50K

50K

49.9 KM
2023 M+

10:15:41

112 / 113

93 / 94

11.04.2023

Nakanoto Treasure Trailrun 2023 - Dream course 50km

50K

47.8 KM
1850 M+

08:59:58

141 / 168

119 / 141

10.01.2023

Trainic-World in Sotochichibu 2023 - 45km

50K

45.5 KM
2300 M+

09:56:45

96 / 96

81 / 81

06.17.2023

“ROCKIN’ BEAR” 妙高トレイルランニングレース 2023 - “ROCKIN’ BEAR” 妙高トレイルランニングレース（48km）

50K

48 KM
2000 M+

08:53:12

380 / 427

322 / 356

11.22.2020

FTR Chichibu＆ Okumusashi 2020 - 25.2km

20K

25 KM
1290 M+

05:20:46

417 / 477

345 / 382

12.08.2019

IZU Trail Journey 2019 - IZU TRAIL JOURNEY-Faxbis-

100K

68.3 KM
3320 M+

13:40:54

1322 / 1367

1142 / 1178

07.14.2019

OSJ Ontake 100 2019 - 100 Km

100K

102.8 KM
3070 M+

18:31:14

763 / 842

676 / 745

07.07.2019

Trainic-World In Ogose-Tokigawa 2019 - 30km

20K

30.6 KM
1580 M+

05:31:43

190 / 324

171 / 277

06.03.2019

FTR Hanno Trail Run Race 2019

50K

48.3 KM
2610 M+

11:16:18

253 / 290

215 / 243

06.25.2017

Spa Trail 2017 - KTK 38K

50K

37.9 KM
1540 M+

06:54:43

177 / 261

144 / 194

Statistics

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

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