Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Oceania

15 - 16 February 2025

15 - 18 May 2025

27 - 29 November 2025

Asia

01 - 02 March 2025

11 - 20 April 2025

01 - 04 May 2025

16 - 18 May 2025

19 - 22 June 2025

05 - 08 December 2024

15 - 17 November 2024

08 - 10 November 2024

17 - 20 October 2024

11 - 13 October 2024

South America

18 - 22 March 2025

19 - 21 June 2025

01 - 03 August 2025

18 - 21 September 2025

North America

11 - 13 April 2025

25 - 26 April 2025

28 - 29 June 2025

25 - 26 July 2025

19 - 21 September 2025

27 - 28 September 2025

02 - 04 October 2025

10 - 11 October 2025

Africa

22 - 26 May 2025

MY UTMB

Jason FLASSING

Nationality

United States of america

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

-

-

-

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

12.12.2015

HELLGATE 2015 - HELLGATE 100

100K

106.2 KM
4220 M+

14:51:44

44 / 133

39 / 101

01.03.2015

HARBISON 50 2015

50K

50.2 KM
1400 M+

04:53:20

7 / 132

7 / 89

10.03.2014

Grindstone 100 2014

100M

160 KM
6990 M+

24:21:22

28 / 189

26 / 164

05.16.2014

THUNDER ROCK 2014

100M

161 KM
5280 M+

20:11:45

6 / 131

6 / 116

03.15.2014

Georgia Death Race 2014 - 68M

100K

105.5 KM
4289 M+

13:55:08

5 / 111

5 / 84

12.14.2013

LOOKOUT MOUNTAIN 50 MILE 2013

50K

77 KM
1950 M+

09:11:18

30 / 200

29 / 159

11.02.2013

PINHOTI 100 2013 - PINHOTI 100 MILES

100M

161.8 KM
4930 M+

21:19:54

12 / 164

12 / 132

09.28.2013

The North Face Endurance Challenge Southeast Georgia 2013 - Goretex 50 Mile

100K

80.5 KM
2400 M+

09:49:52

11 / 126

11 / 109

09.01.2012

IRON MOUNTAIN TRAIL RUN 2012 - IRON MOUNTAIN TRAIL RUN 50M

100K

80.5 KM
2450 M+

09:22:53

9 / 51

9 / 38

02.11.2012

Holiday Lake 2012 - 50K

50K

50 KM
1250 M+

05:25:58

121 / 346

97 / 234

Statistics

Filter by UTMB INDEX

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

Join us

Sponsorship

Race Organisers

Jobs

Stay in Touch

FAQ and Help

Contact Us

Follow us

Terms & conditions

Privacy Policy

©2024 UTMB® all rights reserved. Ultra-Trail® and UTMB® are registered trademarks..