Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

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

Africa

22 - 25 May 2025

22 - 23 June 2024

MY UTMB

Zachary BUTLER

Nationality

United States

Age

45-49 Men

UTMB Index

Index

20K

50K

100K

100M

-

-

-

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

10.07.2017

CUYAMACA 100K 2017

100K

102.1 KM
2650 M+

16:42:26

109 / 146

84 / 111

07.23.2016

Never summer 100k 2016

100K

103.3 KM
4270 M+

22:23:50

169 / 192

140 / 155

09.25.2015

100M

156.8 KM
6550 M+

35:08:02

184 / 207

146 / 160

10.04.2014

CUYAMACA 100K 2014

100K

100.4 KM
3345 M+

15:45:06

82 / 124

73 / 99

07.26.2014

WHITE RIVER 50 MILE TRAIL RUN 2014

100K

80.5 KM
2670 M+

10:42:56

98 / 249

84 / 185

10.05.2013

Foothills 50K Frenzy 2013

50K

48.3 KM
1780 M+

06:45:39

68 / 138

46 / 72

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..