Progress against the field
From Rotterdam 2024 to Amsterdam 2026, Bastiaan de Graaff got 2:11 faster than the field.
Over the same races everyone got 12:43 quicker, so 14:54 faster on the clock looks better than it was.
The longest gap between two races compared here, 414 days between Amsterdam 2024 and Utrecht 2025, still ended 5:17 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
5 races · 5 events
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Heerenveen14 May 2026Individual Pro · Men1:20:28 PB240/454Beat 47%
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Amsterdam21 Jan 2026Individual Open · Men1:13:48322/1620Beat 80%
↑ 54 days after Utrecht 2025 6:22 worse than the field Why ↓Close ↑
6:22 behind the field: 1:15 slower on the clock, against 5:07 faster for everyone.
The fieldCompare these two →5:07 faster This athlete1:15 slower -
Utrecht28 Nov 2025Individual Open · Men1:12:33 PB116/1337Beat 91%
↑ 414 days after Amsterdam 2024 5:17 better than the field Why ↓Close ↑
6:06 faster on the clock, and the race was 0:49 faster for everyone, so 5:17 of it was this athlete.
The fieldCompare these two →0:49 faster This athlete6:06 faster -
Amsterdam10 Oct 2024Individual Open · Men1:18:39439/1539Beat 72%
↑ 187 days after Rotterdam 2024 3:16 better than the field Why ↓Close ↑
10:03 faster on the clock, and the race was 6:47 faster for everyone, so 3:16 of it was this athlete.
The fieldCompare these two →6:47 faster This athlete10:03 faster -
Rotterdam6 Apr 2024Individual Open · Men1:28:42570/1380Beat 59%