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Athlete United States

Mason Klein

Mason Klein has raced HYROX twice since 2025, both in the men's Doubles Open. The fastest of 2 is 1:04:30 at Las Vegas 2026, a top-10% finish: 42nd of 1,006 men's teams. On the clock, that is 4:58 faster than the first of them, at Las Vegas 2025, both times with Ryan Jones.

Best finish, by category
Doubles Open · Men
1:04:30
Las Vegas 2026

Progress against the field

Between Las Vegas 2025 and Las Vegas 2026, Mason Klein and Ryan Jones pulled 0:53 ahead of the field.

Over the same races everyone got 4:05 quicker, so 4:58 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

2 races · 2 events

  1. Las Vegas
    20 Feb 2026
    Doubles Open · Men
    1:04:30 PB
    42/1006
    Beat 96%
    ↑ 384 days after Las Vegas 2025, with Ryan Jones 0:53 better than the field Why ↓

    0:53 better than the field: 4:58 faster on the clock, against 4:05 faster for everyone.

    Compare these two →
  2. Las Vegas
    1 Feb 2025
    Doubles Open · Men
    1:09:28
    64/358
    Beat 82%

Personal bests, by station

3:58
Las Vegas 2026
1:54
Las Vegas 2026
2:56
Las Vegas 2026
2:16
Las Vegas 2026
4:20
Las Vegas 2026
1:27
Las Vegas 2026
2:37
Las Vegas 2026
3:31
Las Vegas 2026