Progress against the field
From Maastricht 2025 to Rotterdam 2026, Daan van Heyningen and Julia Roskam got 4:42 faster than the field.
Over the same races everyone got 6:13 quicker, so 10:55 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. The summary above covers Doubles Open · Mixed, with Julia Roskam, the one raced most; every comparison is in the list below.
Every race
7 races · 6 events
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Maastricht19 Sep 2026Doubles Open · Men1:06:58 PB173/816Beat 79%
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Heerenveen14 May 2026Doubles Pro · Men1:06:34119/315Beat 62%
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Rotterdam15 Apr 2026Doubles Open · Mixed1:07:03 PB3/54Beat 94%
↑ 208 days after Maastricht 2025, with Julia Roskam 4:42 better than the field Why ↓Close ↑
10:55 faster on the clock, and the race was 6:13 faster for everyone, so 4:42 of it was this pair.
The fieldCompare these two →6:13 faster This pair10:55 faster -
Rotterdam15 Apr 2026Doubles Pro · Men1:05:40 PB149/385Beat 61%
↑ 138 days after Utrecht 2025, with Luc Houtkamp 2:24 better than the field Why ↓Close ↑
6:33 faster on the clock, and the race was 4:09 faster for everyone, so 2:24 of it was this pair.
The fieldCompare these two →4:09 faster This pair6:33 faster -
Amsterdam21 Jan 2026Individual Open · Men1:23:01 PB781/1620Beat 52%
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Utrecht28 Nov 2025Doubles Pro · Men1:12:1367/148Beat 55%
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Maastricht19 Sep 2025Doubles Open · Mixed1:17:58182/658Beat 72%