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Athlete United States

Mary Margaret Holden

Since 2025, Mary Margaret Holden has raced HYROX 3 times, every one in the women's Doubles Open. The fastest of 3 is 1:39:38 at Washington DC 2026, 400th of 695 women's teams. With Cierra Kaiser both times, that is 11:10 quicker on the clock than the first of them, at Chicago 2025.

Best finish, by category
Doubles Open · Women
1:39:38
Washington DC 2026

Progress against the field

Between Chicago 2025 and Washington DC 2026, Mary Margaret Holden and Cierra Kaiser pulled 8:16 ahead of the field.

Over the same races everyone got 2:54 quicker, so 11:10 faster on the clock looks better than it was.

Race by race, in the list below ↓
How this is worked out ⓘ

A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.

Every race

3 races · 3 events

  1. Washington DC
    3 Sep 2026
    Doubles Open · Women
    1:39:38 PB
    400/695
    Beat 42%
    ↑ 293 days after Chicago 2025, with Cierra Kaiser 8:16 better than the field Why ↓

    11:10 faster on the clock, and the race was 2:54 faster for everyone, so 8:16 of it was this pair.

    Compare these two →
  2. New York
    28 May 2026
    Doubles Open · Women
    1:48:02
    459/722
    Beat 36%
  3. Chicago
    14 Nov 2025
    Doubles Open · Women
    1:50:48
    1384/1539
    Beat 10%

Personal bests, by station

4:52
Washington DC 2026
1:25
Chicago 2025
3:47
Washington DC 2026
5:47
Chicago 2025
5:33
Washington DC 2026
1:50
Washington DC 2026
4:13
New York 2026
4:29
Washington DC 2026

Station by station, race by race

Doubles Open · Women Faster is lower
1000m SkiErg
5:09 4:52
50m Sled Push
1:50 1:25
50m Sled Pull
4:36 3:47
80m Burpee Broad Jump
6:06 5:47
1000m Row
6:02 5:33
200m Farmers Carry
2:15 1:50
100m Sandbag Lunges
4:38 4:13
Wall Balls
5:37 4:29