Progress against the field
Between Amsterdam 2024 and Heerenveen 2025, Raymond Folker and Tim van Leeuwen pulled 2:25 ahead of the field.
The clock says 7:18 faster, but the races themselves got 4:53 quicker for everyone.
The largest gain on the field came from Amsterdam 2024 → Belgium 2025: 2:28 in 177 days.
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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Heerenveen9 May 2025Doubles Open · Men1:18:06 PB336/529Beat 37%
↑ 34 days after Belgium 2025, with Tim van Leeuwen 0:03 worse than the field Why ↓Close ↑
Moved with the field: 1:55 faster on the clock, against 1:58 faster for everyone.
The fieldCompare these two →1:58 faster This pair1:55 faster -
Belgium5 Apr 2025Doubles Open · Men1:20:01655/898Beat 27%
↑ 177 days after Amsterdam 2024, with Tim van Leeuwen 2:28 better than the field Why ↓Close ↑
2:28 better than the field: 5:23 faster on the clock, against 2:55 faster for everyone.
The fieldCompare these two →2:55 faster This pair5:23 faster -
Amsterdam10 Oct 2024Doubles Open · Men1:25:24686/855Beat 20%