Progress against the field
Between Amsterdam 2026 and Rotterdam 2026, Calvin Donker and Martijn De Jong pulled 3:17 ahead of the field.
The races barely moved for everyone else, so 3:12 faster on the clock is close to the whole story.
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
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Rotterdam15 Apr 2026Doubles Open · Men1:06:31 PB78/580Beat 87%
↑ 84 days after Amsterdam 2026, with Martijn De Jong 3:17 better than the field Why ↓Close ↑
The race was 0:05 slower for everyone and the clock still says 3:12 faster: 3:17 gained on the field.
The fieldCompare these two →0:05 slower This pair3:12 faster -
Amsterdam21 Jan 2026Doubles Open · Men1:09:43104/344Beat 70%