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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

Hailey CHIASSON

Nationality

United States of America

Age

35-39 Women

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0

UTMB Index

Index

20K

50K

100K

100M

457

-

-

-

457

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

08.03.2024

Angeles Crest 100 Mile Endurance Run 2024

100M

161.7 KM
5920 M+

31:07:14

75 / 113

9 / 16

04.26.2024

HOKA Canyons Endurance Runs by UTMB® 2024 - 100M

100M

159.9 KM
5602 M+

31:35:05

120 / 186

18 / 33

11.03.2023

Rio Del Lago 50K Endurance Run 2023

50K

50 KM
550 M+

05:53:39

31 / 97

10 / 43

02.13.2022

Black Canyon Ultras 2022 - 100K

100K

99.9 KM
2020 M+

15:13:23

291 / 516

81 / 165

10.23.2021

Quicksilver Endurance Runs 2021 - 50k

50K

50 KM
1830 M+

05:52:03

35 / 158

5 / 48

09.04.2021

Lake Sonoma 50 Miler 2021 - Lake Sonoma 50

100K

80.9 KM
3050 M+

11:46:01

41 / 98

17 / 38

02.08.2020

Sean O'Brien trail runs 2020 - 50 MI

100K

80.3 KM
3260 M+

11:31:31

28 / 153

5 / 44

01.04.2020

La Cuesta Ranch Trail Run 2020 - 28Mi

50K

45 KM
1500 M+

06:58:02

22 / 40

3 / 8

08.03.2019

Angeles Crest 100 Mile Endurance Run 2019

100M

152.6 KM
7220 M+

-

DNF

DNF

06.07.2019

SAN DIEGO 100 2019

100M

161.3 KM
3950 M+

-

DNF

DNF

Statistics

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

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