Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Africa

22 - 23 June 2024

22 - 25 May 2025

North America

29th June 2024

19 - 20 July 2024

20 - 22 September 2024

28 - 29 September 2024

11 - 12 October 2024

07 - 09 November 2024

11 - 13 April 2025

25 - 26 April 2025

South America

02 - 04 August 2024

19 - 22 September 2024

09 - 12 May 2024

Asia

12 - 13 October 2024

17 - 20 October 2024

08 - 10 November 2024

15 - 17 November 2024

05 - 08 December 2024

03 - 05 May 2024

19 - 21 April 2024

Oceania

28 - 30 November 2024

15 - 16 February 2025

15 - 18 May 2025

MY UTMB

Jeff CLOWERS

Nationality

United States

Age

55-59 Men

UTMB Index

Index

20K

50K

100K

100M

-

-

-

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

11.05.2016

RIO DEL LAGO 100 2016 - 100 MILES

100M

166.9 KM
3300 M+

27:39:46

137 / 208

115 / 160

04.09.2016

Lake Sonoma 50 2016

100K

75.9 KM
3500 M+

10:04:48

116 / 303

87 / 210

12.27.2015

Woodside Trail Run 2015

50K

50 KM
1500 M+

06:14:30

47 / 70

40 / 46

09.25.2015

100M

156.8 KM
6550 M+

31:39:57

123 / 207

103 / 160

04.11.2015

Lake Sonoma 50 2015

100K

75.9 KM
3500 M+

09:47:04

103 / 278

78 / 209

06.14.2014

Bryce Canyon 2014 - 100 Mile

100M

161 KM
4200 M+

29:53:03

34 / 89

27 / 63

04.12.2014

Lake Sonoma 50 2014

100K

79.1 KM
3370 M+

10:08:42

130 / 301

104 / 211

03.08.2014

WAY TOO COOL 2014

50K

50 KM
1480 M+

05:38:26

333 / 1000

253 / 600

12.07.2013

The North Face Endurance Challenge California 2013 - 50M

100K

80 KM
3060 M+

10:32:13

151 / 395

123 / 305

07.27.2013

SISKIYOU OUT BACK TRAIL RUN 2013 - SISKIYOU OUT BACK TRAIL RUN 50K

50K

50 KM
1500 M+

06:48:04

128 / 195

92 / 125

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..