Progress against the field
From Rotterdam 2025 to Rotterdam 2026, Martin Kocken got 11:37 faster than the field.
Over the same races everyone got 6:07 quicker, so 17:44 faster on the clock looks better than it was.
The longest gap between two races compared here, 274 days between Rotterdam 2025 and Utrecht 2025, still ended 10:23 ahead of 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 Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
6 races · 6 events
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Maastricht19 Sep 2026Doubles Open · Men1:05:08 PB47/239Beat 80%
↑ 365 days after Maastricht 2025, with Ron Van Lamoen 8:03 better than the field Why ↓Close ↑
10:35 faster on the clock, and the race was 2:32 faster for everyone, so 8:03 of it was this pair.
The fieldCompare these two →2:32 faster This pair10:35 faster -
Heerenveen14 May 2026Doubles Open · Men1:05:18104/494Beat 79%
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Rotterdam15 Apr 2026Individual Open · Men1:17:22 PB301/1192Beat 75%
↑ 138 days after Utrecht 2025 1:14 better than the field Why ↓Close ↑
6:33 faster on the clock, and the race was 5:19 faster for everyone, so 1:14 of it was this athlete.
The fieldCompare these two →5:19 faster This athlete6:33 faster -
Utrecht28 Nov 2025Individual Open · Men1:23:55482/1337Beat 64%
↑ 274 days after Rotterdam 2025 10:23 better than the field Why ↓Close ↑
10:23 better than the field: 11:11 faster on the clock, against 0:48 faster for everyone.
The fieldCompare these two →0:48 faster This athlete11:11 faster -
Maastricht19 Sep 2025Doubles Open · Men1:15:43168/354Beat 53%
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Rotterdam27 Feb 2025Individual Open · Men1:35:06423/584Beat 28%