Progress against the field
From Rotterdam 2024 to Amsterdam 2026, John Van Oosten and Thijs Zwakhals got 1:03 faster than the field.
The clock says 8:54 faster, but the races themselves got 7:51 quicker for everyone.
The longest gap between two races compared here, 328 days between Rotterdam 2025 and Amsterdam 2026, cost 5:54 on the field.
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 · Men, with Thijs Zwakhals, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Mechelen26 Mar 2026Individual Open · Men1:21:46659/1363Beat 52%
↑ 321 days after Heerenveen 2025 8:53 worse than the field Why ↓Close ↑
8:53 behind the field: 3:31 slower on the clock, against 5:22 faster for everyone.
The fieldCompare these two →5:22 faster This athlete3:31 slower -
Amsterdam21 Jan 2026Doubles Open · Men1:09:10346/994Beat 65%
↑ 328 days after Rotterdam 2025, with Thijs Zwakhals 5:54 worse than the field Why ↓Close ↑
1:40 slower on the clock in a race that was 4:14 faster for everyone: 5:54 lost to the field.
The fieldCompare these two →4:14 faster This pair1:40 slower -
Heerenveen9 May 2025Individual Open · Men1:18:15 PB346/1217Beat 72%
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Rotterdam27 Feb 2025Doubles Open · Men1:07:30 PB122/733Beat 83%
↑ 327 days after Rotterdam 2024, with Thijs Zwakhals 6:57 better than the field Why ↓Close ↑
6:57 better than the field: 10:34 faster on the clock, against 3:37 faster for everyone.
The fieldCompare these two →3:37 faster This pair10:34 faster -
Rotterdam6 Apr 2024Doubles Open · Men1:18:04380/722Beat 47%