Progress against the field
Between Rotterdam 2024 and Amsterdam 2024, Wibo Van Der Werff and Gemma van der Werff pulled 2:39 ahead of the field.
Over the same races everyone got 2:01 quicker, so 4:40 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
5 races · 5 events
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Stockholm18 Dec 2025Doubles Open · Men1:07:58157/563Beat 72%
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Heerenveen9 May 2025Doubles Open · Men1:03:47 PB62/529Beat 88%
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Rotterdam27 Feb 2025Doubles Open · Men1:11:05217/733Beat 70%
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Amsterdam10 Oct 2024Doubles Open · Mixed1:17:09 PB222/618Beat 64%
↑ 187 days after Rotterdam 2024, with Gemma van der Werff 2:39 better than the field Why ↓Close ↑
2:39 better than the field: 4:40 faster on the clock, against 2:01 faster for everyone.
The fieldCompare these two →2:01 faster This pair4:40 faster -
Rotterdam6 Apr 2024Doubles Open · Mixed1:21:49245/534Beat 54%