Progress against the field
From Amsterdam 2026 to Heerenveen 2026, the field gained 0:54 on Jaap Klijnsma.
The clock says 3:01 faster, but the races themselves got 3:55 quicker for everyone.
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 Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
6 races · 5 events
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Heerenveen14 May 2026Doubles Open · Men1:16:31 PB273/434Beat 37%
↑ 153 days after Gent 2025, with Martin De With 0:10 better than the field Why ↓Close ↑
2:19 faster on the clock, and the race was 2:09 faster for everyone, so 0:10 of it was this pair.
The fieldCompare these two →2:09 faster This pair2:19 faster -
Heerenveen14 May 2026Individual Open · Men1:32:59 PB701/966Beat 27%
↑ 29 days after Rotterdam 2026 0:58 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:49 faster on the clock, yet the race was 1:47 faster for everyone, so 0:58 was lost on the field.
The fieldCompare these two →1:47 faster This athlete0:49 faster -
Rotterdam15 Apr 2026Individual Open · Men1:33:48818/1192Beat 31%
↑ 84 days after Amsterdam 2026 0:04 better than the field Why ↓Close ↑
2:12 faster on the clock, and the race was 2:08 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →2:08 faster This athlete2:12 faster -
Amsterdam21 Jan 2026Individual Open · Men1:36:00477/608Beat 22%
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Gent12 Dec 2025Doubles Open · Men1:18:50840/1164Beat 28%
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Utrecht28 Nov 2025Doubles Open · Men1:19:20239/461Beat 48%