Progress against the field
From Rotterdam 2023 to Rotterdam 2025, Thomas Haitsma got 4:26 faster than the field.
The clock says 9:26 faster, but the races themselves got 5:00 quicker for everyone.
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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Amsterdam21 Jan 2026Doubles Open · Men1:14:36 PB597/994Beat 40%
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Heerenveen9 May 2025Doubles Open · Men1:18:38356/529Beat 33%
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Rotterdam27 Feb 2025Individual Open · Men1:17:14 PB133/600Beat 78%
↑ 649 days after Rotterdam 2023 4:26 better than the field Why ↓Close ↑
4:26 better than the field: 9:26 faster on the clock, against 5:00 faster for everyone.
The fieldCompare these two →5:00 faster This athlete9:26 faster -
Amsterdam4 Nov 2023Doubles Open · Mixed1:14:34 PB50/283Beat 82%
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Rotterdam20 May 2023Individual Open · Men1:26:40247/575Beat 57%