Progress against the field
Between Rotterdam 2024 and Amsterdam 2024, Jelle Van der Werff and Berry Krijnen lost 4:37 to the field.
Over the same races everyone got 3:29 quicker, so 1:08 slower on the clock looks better than it was.
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
4 races · 4 events
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Rotterdam15 Apr 2026Relay · Mixed1:06:1615/86Beat 83%
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Utrecht28 Nov 2025Doubles Pro · Men1:15:22 PB88/148Beat 41%
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Amsterdam10 Oct 2024Doubles Open · Men1:18:59546/855Beat 36%
↑ 187 days after Rotterdam 2024, with Berry Krijnen 4:37 worse than the field Why ↓Close ↑
4:37 behind the field: 1:08 slower on the clock, against 3:29 faster for everyone.
The fieldCompare these two →3:29 faster This pair1:08 slower -
Rotterdam6 Apr 2024Doubles Open · Men1:17:51 PB375/722Beat 48%