Progress against the field
Michel Kuijper and Erin Kuijper have gained 2:26 on the field from Rotterdam 2026 to Heerenveen 2026.
Over the same races everyone got 2:12 quicker, so 4:38 faster 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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Heerenveen14 May 2026Doubles Open · Mixed1:50:06 PB778/808Beat 4%
↑ 29 days after Rotterdam 2026, with Erin Kuijper 2:26 better than the field Why ↓Close ↑
2:26 better than the field: 4:38 faster on the clock, against 2:12 faster for everyone.
The fieldCompare these two →2:12 faster This pair4:38 faster -
Rotterdam15 Apr 2026Doubles Open · Mixed1:54:441020/1047Beat 3%
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Stockholm18 Dec 2025Doubles Open · Mixed1:50:13979/1002Beat 2%
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Rotterdam27 Feb 2025Doubles Open · Mixed1:55:21690/707Beat 2%