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Athlete United States

Jeff Kozak

Jeff Kozak has raced HYROX twice in 2025, both in the mixed Doubles Open. 1:38:39 at New York 2025 is the fastest of 2, 635th of 709 mixed teams.

Best finish, by category
Doubles Open · Mixed
1:38:39
New York 2025

Progress against the field

Between New York 2025 and Toronto 2025, Jeff Kozak and McKenzie Kozak lost 3:53 to the field.

Over the same races everyone got 1:35 slower, so 5:28 slower on the clock looks worse 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

2 races · 2 events

  1. Toronto
    3 Oct 2025
    Doubles Open · Mixed
    1:44:07
    522/623
    Beat 16%
    ↑ 126 days after New York 2025, with McKenzie Kozak 3:53 worse than the field Why ↓

    5:28 slower on the clock in a race that was 1:35 slower for everyone: 3:53 lost to the field.

    Compare these two →
  2. New York
    30 May 2025
    Doubles Open · Mixed
    1:38:39 PB
    635/709
    Beat 10%

Personal bests, by station

4:26
New York 2025
2:13
New York 2025
3:20
New York 2025
5:29
Toronto 2025
5:12
New York 2025
1:49
Toronto 2025
5:22
Toronto 2025
5:48
New York 2025

Station by station, race by race

Doubles Open · Mixed Faster is lower
1000m SkiErg
4:49 4:26
50m Sled Push
2:26 2:13
50m Sled Pull
5:11 3:20
80m Burpee Broad Jump
5:46 5:29
1000m Row
5:46 5:12
200m Farmers Carry
2:01 1:49
100m Sandbag Lunges
5:24 5:22
Wall Balls
6:52 5:48