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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

13 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 2026

11 - 13 September 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

11 - 20 April 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

Kazumasa HATTORI

Nationality

Japan

Age

20-34 Men

UTMB Index

Index

20K

50K

100K

100M

467

-

-

-

405

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

04.26.2024

MtFUJI100 2024 - FUJI

100M

166.6 KM
7039 M+

39:48:30

737 / 1443

671 / 1262

10.22.2023

FORESTRAIL HIRUZEN-SHINJO 2023 - Long

100K

68 KM
3280 M+

13:36:35

121 / 157

108 / 143

06.10.2023

Okushinano100 2023 - 100K

100K

100.8 KM
4680 M+

18:55:28

394 / 579

347 / 497

02.18.2023

Nara Ishibutai 100 2023 - Nara Ishibutai 100 66km

100K

66 KM
4600 M+

16:48:02

45 / 78

40 / 65

Statistics

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

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