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UTMB World Series Events

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North America

02 - 04 October 2025

09 - 11 October 2025

22 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

24 - 25 July 2026

14 - 16 August 2026

26 - 28 September 2025

18 - 21 September 2025

Asia

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

15 - 17 May 2026

26 - 28 September 2025

19 - 22 June 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 November 2025

18 - 22 March 2026

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Masahiro NATORI

Nationality

Japan

Age

20-34 Men

UTMB Index

Index

20K

50K

100K

100M

727

-

598

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

03.30.2025

HASETSUNE 30K 2025

50K

30 KM
2000 M+

04:17:37

146 / 1179

138 / 1067

10.13.2024

Japan Mountain Endurance Race 2024

100K

71.5 KM
4800 M+

-

DNF

DNF

05.18.2024

Trainic-World 100mile & 100km in Sainokuni 2024 - 100MILE RELAY_1

50K

55 KM
3550 M+

07:46:52

6 / 23

5 / 20

03.31.2024

HASETSUNE 30K 2024

50K

30 KM
2000 M+

-

DNF

DNF

10.08.2023

Hasetsune Cup 2023 - HASETSUNE CUP

100K

67 KM
4190 M+

-

DNF

DNF

06.10.2023

Okushinano100 2023 - 100K

100K

100.8 KM
4680 M+

13:59:40

45 / 579

40 / 497

05.13.2023

Mt. Hiei International Trail Run 2023 - 50mile

100K

75.6 KM
6180 M+

-

DNF

DNF

11.19.2022

FTR Chichibu＆ Okumusashi 2022 - 100k

100K

106.2 KM
5790 M+

16:35:44

10 / 514

10 / 452

10.09.2022

Hasetsune Cup 2022

100K

62.6 KM
4241 M+

08:23:24

10 / 1285

10 / 1126

06.24.2022

DEEP JAPAN ULTRA 100 2022 - UONUMA

100K

77 KM
4000 M+

11:25:27

2 / 22

2 / 17

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

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