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Athlete Netherlands

Dennis Grootaers

Since 2024, Dennis Grootaers has raced HYROX twice, both in the men's Individual Open. The fastest of 2 is 1:29:25 at Utrecht 2025, 701st of 1,337 men. That is 9:32 quicker on the clock than the first of them, at Rotterdam 2024.

Best finish, by category
Individual Open · Men
1:29:25
Utrecht 2025

Progress against the field

From Rotterdam 2024 to Utrecht 2025, Dennis Grootaers got 5:35 faster than the field.

The clock says 9:32 faster, but the races themselves got 3:57 quicker for everyone.

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. Utrecht
    28 Nov 2025
    Individual Open · Men
    1:29:25 PB
    701/1337
    Beat 48%
    ↑ 601 days after Rotterdam 2024 5:35 better than the field Why ↓

    9:32 faster on the clock, and the race was 3:57 faster for everyone, so 5:35 of it was this athlete.

    Compare these two →
  2. Rotterdam
    6 Apr 2024
    Individual Open · Men
    1:38:57
    977/1380
    Beat 29%

Personal bests, by station

4:27
Rotterdam 2024
3:14
Rotterdam 2024
4:07
Utrecht 2025
6:42
Utrecht 2025
5:49
Utrecht 2025
2:05
Rotterdam 2024
5:07
Utrecht 2025
6:45
Rotterdam 2024

Station by station, race by race

Individual Open · Men Faster is lower
1000m SkiErg
4:35 4:27
50m Sled Push
3:18 3:14
50m Sled Pull
5:35 4:07
80m Burpee Broad Jump
8:41 6:42
1000m Row
6:28 5:49
200m Farmers Carry
2:07 2:05
100m Sandbag Lunges
5:47 5:07
Wall Balls
7:09 6:45