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Asia

14 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

06 - 08 March 2026

29 November - 07 December 2025

14 - 16 November 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Europe

19 - 22 March 2026

19 - 21 March 2026

09 - 12 April 2026

24 - 26 April 2026

01 - 03 May 2026

14 - 17 May 2026

15 - 17 May 2026

23rd May 2026

11 - 14 June 2026

12 - 14 June 2026

18 - 20 June 2026

24 - 28 June 2026

01 - 05 July 2026

09 - 11 July 2026

10 - 12 July 2026

15 - 19 July 2026

17 - 19 July 2026

24 - 26 July 2026

01 - 02 August 2026

06 - 08 August 2026

24 - 30 August 2026

10 - 13 September 2026

11 - 13 September 2026

18 - 20 September 2026

24 - 27 September 2026

30 - 31 October 2026

30 October - 01 November 2026

22 - 25 January 2026

07 - 09 November 2025

North America

09 - 12 April 2026

16 - 18 April 2026

23 - 25 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

Africa

29 - 31 May 2026

MYUTMB

Mackenzie RIFORD

Nationality

United States of America

Age

20-34 Women

UTMB Index

Index
20K
50K
100K
100M

370

-

371

-

-

Races

date
Race
country
Cat.
Distance /
m+
Time
Rank
Gender
Score
11.22.2025
JFK 50 MILE 2025
50K
81.8 KM
1350 M+
12:06:30
946 / 1112
218 / 261
11.23.2024
JFK 50 MILE 2024
50K
81.8 KM
1350 M+
12:34:32
1042 / 1120
202 / 225
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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