Progress against the field
Between Amsterdam 2026 and Heerenveen 2026, Sietse Beukenkamp pulled 18:09 ahead of the field.
The clock says 22:18 faster, but the races themselves got 4:09 quicker for everyone.
The largest gain on the field came from Amsterdam 2026 → Mechelen 2026: 16:17 in 64 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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Heerenveen14 May 2026Individual Open · Men1:31:48 PB676/966Beat 30%
↑ 49 days after Mechelen 2026 1:52 better than the field Why ↓Close ↑
3:37 faster on the clock, and the race was 1:45 faster for everyone, so 1:52 of it was this athlete.
The fieldCompare these two →1:45 faster This athlete3:37 faster -
Mechelen26 Mar 2026Individual Open · Men1:35:25470/561Beat 16%
↑ 64 days after Amsterdam 2026 16:17 better than the field Why ↓Close ↑
16:17 better than the field: 18:41 faster on the clock, against 2:24 faster for everyone.
The fieldCompare these two →2:24 faster This athlete18:41 faster -
Amsterdam21 Jan 2026Individual Open · Men1:54:06525/570Beat 8%