Progress against the field
From Rotterdam 2024 to Rotterdam 2025, the field gained 1:07 on Daan Groenendijk.
Over the same races everyone got 8:43 quicker, so 7:36 faster on the clock looks better than it was.
The longest gap between two races compared here, 187 days between Rotterdam 2024 and Amsterdam 2024, still ended 2:12 ahead of the field.
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
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Rotterdam27 Feb 2025Individual Open · Men1:09:5376/1283Beat 94%
↑ 140 days after Amsterdam 2024 3:19 worse than the field Why ↓Close ↑
1:23 slower on the clock in a race that was 1:56 faster for everyone: 3:19 lost to the field.
The fieldCompare these two →1:56 faster This athlete1:23 slower -
Amsterdam10 Oct 2024Individual Open · Men1:08:30 PB105/1539Beat 93%
↑ 187 days after Rotterdam 2024 2:12 better than the field Why ↓Close ↑
8:59 faster on the clock, and the race was 6:47 faster for everyone, so 2:12 of it was this athlete.
The fieldCompare these two →6:47 faster This athlete8:59 faster -
Rotterdam6 Apr 2024Individual Open · Men1:17:29163/1380Beat 88%