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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

Mackenzie RIFORD

Nationality

United States

Age

20-34 Women

UTMB Index

Index

20K

50K

100K

100M

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-

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Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

05.03.2014

The North Face Endurance Challenge New York Bear Mountain State Park 2014 - Goretex 50 Mile

100K

81 KM
2145 M+

13:22:27

236 / 251

25 / 27

11.23.2013

JFK 50 MILE 2013

50K

81.8 KM
1350 M+

10:25:05

493 / 857

106 / 216

11.21.2009

JFK 50 MILE 2009

50K

81.8 KM
1350 M+

10:54:20

601 / 1016

116 / 247

11.17.2007

JFK 50 MILE 2007

50K

81.8 KM
1350 M+

11:57:06

907 / 1078

195 / 251

Statistics

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

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