Progress against the field
Between Amsterdam 2024 and Utrecht 2025, Ad De Kievit lost 9:44 to the field.
Over the same races everyone got 2:44 quicker, so 7:00 slower on the clock looks better than it was.
The longest gap between two races compared here, 274 days between Rotterdam 2025 and Utrecht 2025, cost 9:48 on 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.
Every race
7 races · 7 events
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Maastricht19 Sep 2026Doubles Open · Men1:32:07404/457Beat 12%
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Rotterdam15 Apr 2026Doubles Open · Men1:28:34260/310Beat 16%
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Amsterdam21 Jan 2026Doubles Open · Men1:23:59 PB293/342Beat 14%
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Utrecht28 Nov 2025Individual Open · Men1:42:30463/575Beat 20%
↑ 274 days after Rotterdam 2025 9:48 worse than the field Why ↓Close ↑
9:48 behind the field: 9:00 slower on the clock, against 0:48 faster for everyone.
The fieldCompare these two →0:48 faster This athlete9:00 slower -
Rotterdam27 Feb 2025Individual Open · Men1:33:30 PB426/600Beat 29%
↑ 140 days after Amsterdam 2024 0:04 better than the field Why ↓Close ↑
Moved with the field: 2:00 faster on the clock, against 1:56 faster for everyone.
The fieldCompare these two →1:56 faster This athlete2:00 faster -
Amsterdam10 Oct 2024Individual Open · Men1:35:301139/1539Beat 26%
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Rotterdam6 Apr 2024Doubles Open · Men1:26:21574/722Beat 21%