Progress against the field
From Rotterdam 2026 to Maastricht 2026, Desley Kop got 9:23 faster than the field.
The races themselves barely changed, so 9:29 faster on the clock is the real picture.
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
4 races · 4 events
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Maastricht19 Sep 2026Individual Open · Men1:23:38 PB223/546Beat 59%
↑ 157 days after Rotterdam 2026 9:23 better than the field Why ↓Close ↑
9:29 faster on the clock, and the race was 0:06 faster for everyone, so 9:23 of it was this athlete.
The fieldCompare these two →0:06 faster This athlete9:29 faster -
Heerenveen14 May 2026Doubles Open · Men1:24:45 PB419/494Beat 15%
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Rotterdam15 Apr 2026Individual Open · Men1:33:07377/556Beat 32%
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Amsterdam21 Jan 2026Doubles Open · Mixed1:35:47 PB423/496Beat 15%