Progress against the field
Between Rotterdam 2023 and Rotterdam 2024, Babette Derks and Jorri Van Der Aar lost 0:56 to the field.
The clock says 0:51 faster, but the races themselves got 1:47 quicker for everyone.
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 · Women1:08:31 PB13/513Beat 98%
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Rotterdam15 Apr 2026Doubles Open · Women1:09:3930/936Beat 97%
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Rotterdam6 Apr 2024Doubles Open · Mixed1:13:01 PB87/534Beat 84%
↑ 322 days after Rotterdam 2023, with Jorri Van Der Aar 0:56 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:51 faster on the clock looks better than it was: the race was 1:47 faster for everyone, which leaves this 0:56 behind the field.
The fieldCompare these two →1:47 faster This pair0:51 faster -
Rotterdam20 May 2023Doubles Open · Mixed1:13:5234/187Beat 82%