Progress against the field
Roos Boezer has dropped 4:02 behind the field from Rotterdam 2023 to Amsterdam 2023.
Over the same races everyone got 1:52 quicker, so 2:10 slower 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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Maastricht19 Sep 2026Doubles Open · Women1:38:55515/708Beat 27%
↑ 177 days after Mechelen 2026, with Anais Boezer 1:32 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
0:24 slower on the clock, but the race was 1:56 slower for everyone, so this was 1:32 better than the field.
The fieldCompare these two →1:56 slower This pair0:24 slower -
Mechelen26 Mar 2026Doubles Open · Women1:38:31 PB856/1017Beat 16%
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Heerenveen9 May 2025Doubles Open · Women1:45:19506/566Beat 11%
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Amsterdam4 Nov 2023Individual Open · Women2:14:29384/394Beat 3%
↑ 168 days after Rotterdam 2023 4:02 worse than the field Why ↓Close ↑
2:10 slower on the clock in a race that was 1:52 faster for everyone: 4:02 lost to the field.
The fieldCompare these two →1:52 faster This athlete2:10 slower -
Rotterdam20 May 2023Individual Open · Women2:12:19 PB278/290Beat 4%