Progress against the field
Between Rotterdam 2024 and Amsterdam 2026, Jan Van Leeuwen and Tom Bartels lost 4:10 to the field.
Over the same races everyone got 8:32 quicker, so 4:22 faster on the clock looks better than it was.
The longest gap between two races compared here, 468 days between Amsterdam 2024 and Amsterdam 2026, cost 6:15 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.
Every race
5 races · 5 events
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Mechelen26 Mar 2026Doubles Open · Men1:26:28347/402Beat 14%
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Amsterdam21 Jan 2026Doubles Open · Men1:27:35300/344Beat 13%
↑ 468 days after Amsterdam 2024, with Tom Bartels 6:15 worse than the field Why ↓Close ↑
6:15 behind the field: 1:12 slower on the clock, against 5:03 faster for everyone.
The fieldCompare these two →5:03 faster This pair1:12 slower -
Rotterdam27 Feb 2025Doubles Open · Men1:42:40720/733Beat 2%
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Amsterdam10 Oct 2024Doubles Open · Men1:26:23 PB256/325Beat 21%
↑ 187 days after Rotterdam 2024, with Tom Bartels 2:05 better than the field Why ↓Close ↑
5:34 faster on the clock, and the race was 3:29 faster for everyone, so 2:05 of it was this pair.
The fieldCompare these two →3:29 faster This pair5:34 faster -
Rotterdam6 Apr 2024Doubles Open · Men1:31:57641/722Beat 11%