Progress against the field
Sander van Rooijen has gained 1:37 on the field from Amsterdam 2024 to Rotterdam 2025.
Over the same races everyone got 1:56 quicker, so 3:33 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
6 races · 6 events
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Rotterdam15 Apr 2026Doubles Open · Mixed1:00:29 PB8/544Beat 99%
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Belgium5 Apr 2025Individual Pro · Men1:18:2883/203Beat 59%
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Rotterdam27 Feb 2025Individual Open · Men1:03:18 PB12/1283Beat 99%
↑ 140 days after Amsterdam 2024 1:37 better than the field Why ↓Close ↑
3:33 faster on the clock, and the race was 1:56 faster for everyone, so 1:37 of it was this athlete.
The fieldCompare these two →1:56 faster This athlete3:33 faster -
Amsterdam10 Oct 2024Individual Open · Men1:06:5180/1539Beat 95%
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Amsterdam4 Nov 2023Doubles Open · Mixed1:16:4372/283Beat 75%
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World ChampionshipsDate unknownIndividual Pro · Men1:06:07 PB206/522Beat 61%