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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

Natsumi YAMAUCHI

Nationality

Japan

Age

20-34 Women

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UTMB Index

Index

20K

50K

100K

100M

610

592

597

596

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

09.20.2025

Seoul 100K 2025 - SKY50

50K

50.4 KM
2700 M+

06:56:50

18 / 445

3 / 76

06.15.2025

Okumusashi Long Trail Race 105K & 35K 2025 - THE 3RD OKUMUSASHI LONG TRAIL RACE 35K

50K

35 KM
2338 M+

05:12:34

14 / 554

2 / 59

04.26.2025

MtFUJI100 2025 - ASUMI 40K

50K

40.2 KM
1445 M+

04:04:14

23 / 190

5 / 49

03.23.2025

Osj Shinshiro Trail 2025 - OSJ SHINSHIRO TRAIL 32K

50K

31.2 KM
2520 M+

05:17:19

49 / 604

5 / 73

11.03.2024

SEA ALPS TRAIL JOURNEY 2024 - 48K

50K

48 KM
1619 M+

06:01:43

15 / 161

1 / 38

09.15.2024

Shinetsu Five Mountains Trail 2024 - 110km

100K

109 KM
5330 M+

16:32:26

32 / 65

1 / 6

06.09.2024

Okumusashi Long Trail Race 105K & 35K 2024 - THE 2ND OKUMUSASHI LONG TRAIL RACE 35K

50K

35 KM
2338 M+

05:11:13

21 / 593

1 / 100

09.23.2023

Sky View Trail 2023 - Sky View Trail 80

100K

80 KM
4640 M+

11:43:20

9 / 376

1 / 59

08.31.2023

Dacia UTMB® Mont Blanc 2023 - OCC

50K

55 KM
3425 M+

07:18:21

261 / 1642

56 / 436

07.23.2023

KIRISHIMA / EBINO KOGEN EXTREME TRAIL 2023 - short

20K

33.7 KM
1360 M+

03:43:42

9 / 344

1 / 63

Statistics

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

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