Progress against the field
Between Amsterdam 2024 and Amsterdam 2026, Jerry Van Der Tas and Jasper Heijblom pulled 5:16 ahead of the field.
Over the same races everyone got 5:03 quicker, so 10:19 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
3 races · 3 events
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Amsterdam21 Jan 2026Doubles Open · Men1:12:56 PB524/994Beat 47%
↑ 468 days after Amsterdam 2024, with Jasper Heijblom 5:16 better than the field Why ↓Close ↑
10:19 faster on the clock, and the race was 5:03 faster for everyone, so 5:16 of it was this pair.
The fieldCompare these two →5:03 faster This pair10:19 faster -
Utrecht28 Nov 2025Doubles Open · Mixed1:41:16 PB618/701Beat 12%
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Amsterdam10 Oct 2024Doubles Open · Men1:23:15655/855Beat 23%