Progress against the field
Daan Douwsma and Sil Douwsma have dropped 3:39 behind the field from Amsterdam 2026 to Heerenveen 2026.
Over the same races everyone got 1:27 quicker, so 2:12 slower 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
2 races · 2 events
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Heerenveen14 May 2026Doubles Open · Men1:05:35108/494Beat 78%
↑ 113 days after Amsterdam 2026, with Sil Douwsma 3:39 worse than the field Why ↓Close ↑
2:12 slower on the clock in a race that was 1:27 faster for everyone: 3:39 lost to the field.
The fieldCompare these two →1:27 faster This pair2:12 slower -
Amsterdam21 Jan 2026Doubles Open · Men1:03:23 PB132/994Beat 87%