Progress against the field
From Rotterdam 2026 to Maastricht 2026, Thomas Colijn got 4:50 faster than the field.
The races themselves barely changed, so 5:11 faster on the clock is the real picture.
The largest gain on the field came from Heerenveen 2026 → Maastricht 2026: 3:06 in 128 days.
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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Maastricht19 Sep 2026Individual Open · Men1:43:13 PB938/1119Beat 16%
↑ 128 days after Heerenveen 2026 3:06 better than the field Why ↓Close ↑
1:40 faster on the clock in a race that was 1:26 slower for everyone: 3:06 better than the field.
The fieldCompare these two →1:26 slower This athlete1:40 faster -
Heerenveen14 May 2026Individual Open · Men1:44:53848/966Beat 12%
↑ 29 days after Rotterdam 2026 1:44 better than the field Why ↓Close ↑
3:31 faster on the clock, and the race was 1:47 faster for everyone, so 1:44 of it was this athlete.
The fieldCompare these two →1:47 faster This athlete3:31 faster -
Rotterdam15 Apr 2026Individual Open · Men1:48:241050/1192Beat 12%