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

David RIEFENBERG

Nationality

United States

Age

60-64 Men

UTMB Index

Index

20K

50K

100K

100M

-

-

-

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

02.08.2020

Lone Star 100 2020 - 100M

100M

158.6 KM
5930 M+

34:41:00

17 / 19

12 / 13

02.09.2019

Lone Star 100 2019 - 100M

100M

158.6 KM
5930 M+

-

DNF

DNF

09.25.2015

100M

156.8 KM
6550 M+

34:10:00

163 / 207

130 / 160

08.02.2014

HURL Elkhorn Endurance Runs 2014 - Hurl Elkhorn 50 mile

100K

80.5 KM
3960 M+

14:30:50

21 / 27

17 / 20

05.03.2014

Collegiate Peaks Trail Run 2014 - COLLEGIATE PEAKS TRAIL RUN 50 MILES

100K

80.5 KM
2150 M+

10:18:50

33 / 64

24 / 49

05.04.2013

Collegiate Peaks Trail Run 2013 - COLLEGIATE PEAKS TRAIL RUN 50 MILES

100K

80.5 KM
2150 M+

10:02:18

34 / 74

29 / 54

09.24.2010

100M

161 KM
6865 M+

33:37:48

96 / 121

81 / 92

04.25.2010

Collegiate Peaks Trail Run 2010 - COLLEGIATE PEAKS TRAIL RUN 50 MILES

100K

80.5 KM
2150 M+

11:45:33

78 / 79

56 / 57

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..

Follow the races live