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UTMB World Series Events

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North America

09 - 12 April 2026

16 - 18 April 2026

23 - 26 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

Asia

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

13 - 15 November 2026

28 November - 06 December 2026

10 - 12 December 2026

14 - 15 March 2026

06 - 08 March 2026

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

Africa

29 - 31 May 2026

South America

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

20 - 22 March 2026

MYUTMB

Jason HALLADAY

Nationality

United States of America

Age

50-54 Men

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UTMB Index

Index

20K

50K

100K

100M

616

-

-

573

508

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

09.26.2025

Adamello Ultra-Trail® 2025 - A U T - Adamello Ultra-Trail®

100M

168.9 KM
11130 M+

35:01:01

52 / 134

48 / 116

10.27.2024

Javelina Jundred 2024 - 100 Miles

100M

159.2 KM
1810 M+

23:12:47

133 / 421

95 / 257

06.22.2024

SAN JUAN SOLSTICE 50 MILE RUN 2024 - 50 MILE RUN

100K

80 KM
3920 M+

11:46:59

57 / 237

48 / 172

06.18.2023

The Broken Arrow Skyrace 2023 - 46K

50K

41.2 KM
2596 M+

05:31:23

58 / 527

47 / 357

09.17.2021

RUN RABBIT RUN 2021 - 100 Hare

100M

163.3 KM
6210 M+

29:36:27

51 / 54

37 / 39

07.19.2021

HARDROCK 100 ENDURANCE RUN 2021 - 100Mi ACW

100M

161.8 KM
10365 M+

36:57:00

33 / 112

29 / 101

10.05.2019

Flagstaff Sky Peaks 2019 - 50 Mile

100K

86.7 KM
2830 M+

11:01:51

5 / 33

5 / 25

09.14.2018

SALOMON SKYLINE SCOTLAND 2018 - Ben nevis ultra

50K

47.3 KM
1640 M+

06:50:36

241 / 347

194 / 283

05.20.2017

Jemez Mountain Trail Runs 2017 - 50KM

50K

50 KM
2100 M+

05:54:13

16 / 197

14 / 127

07.08.2016

HARDROCK 100 ENDURANCE RUN 2016 - HARDROCK 100 - CW

100M

161.8 KM
10365 M+

39:55:11

49 / 112

43 / 99

Statistics

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

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