Progress against the field
Roy Looman has gained 2:12 on the field from Amsterdam 2023 to Rotterdam 2024.
Over the same races everyone got 2:30 quicker, so 4:42 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. The summary above covers Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
6 races · 6 events
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Amsterdam21 Jan 2026Doubles Open · Men1:13:28545/994Beat 45%
↑ 328 days after Rotterdam 2025, with Mark Stam 15:17 worse than the field Why ↓Close ↑
15:17 behind the field: 11:03 slower on the clock, against 4:14 faster for everyone.
The fieldCompare these two →4:14 faster This pair11:03 slower -
Maastricht19 Sep 2025Doubles Open · Mixed1:15:56 PB143/658Beat 78%
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Heerenveen9 May 2025Individual Open · MenDNF—
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Rotterdam27 Feb 2025Doubles Open · Men1:02:25 PB38/733Beat 95%
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Rotterdam6 Apr 2024Individual Open · Men1:24:35 PB398/1380Beat 71%
↑ 154 days after Amsterdam 2023 2:12 better than the field Why ↓Close ↑
4:42 faster on the clock, and the race was 2:30 faster for everyone, so 2:12 of it was this athlete.
The fieldCompare these two →2:30 faster This athlete4:42 faster -
Amsterdam4 Nov 2023Individual Open · Men1:29:17533/1079Beat 51%