Progress against the field
Between Utrecht 2025 and Rotterdam 2026, Gianni Koorndijk lost 0:55 to the field.
Over the same races everyone got 5:19 quicker, so 4:24 faster on the clock looks better than it was.
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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Maastricht19 Sep 2026Doubles Open · Men56:09 PB3/239Beat 99%
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Heerenveen14 May 2026Doubles Open · Men1:10:12153/434Beat 65%
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Rotterdam15 Apr 2026Individual Open · Men1:08:05 PB72/1192Beat 94%
↑ 138 days after Utrecht 2025 0:55 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:24 faster on the clock looks better than it was: the race was 5:19 faster for everyone, which leaves this 0:55 behind the field.
The fieldCompare these two →5:19 faster This athlete4:24 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:11:51 PB283/1206Beat 77%
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Utrecht28 Nov 2025Individual Open · Men1:12:29112/1337Beat 92%