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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

Katsunori AIZAWA

Nationality

Japan

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

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Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.30.2025

Trainic-World in Sotochichibu 2025 - 45km

50K

45.5 KM
2475 M+

08:16:58

80 / 125

70 / 105

10.20.2019

Trainic-World In Ogose-Tokigawa 2019 - 50km

50K

42 KM
2190 M+

07:31:35

192 / 274

176 / 249

09.09.2018

Hakuba International Trails 2018 - Long

50K

50.8 KM
3020 M+

08:31:42

313 / 563

278 / 466

07.08.2018

Trainic-World In Ogose-Tokigawa 2018 - 50km

50K

51.4 KM
2580 M+

08:24:27

110 / 307

105 / 282

Statistics

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

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