Progress against the field
Demi Tempels and Gwythian Zandgrond have gained 2:56 on the field from Rotterdam 2025 to Rotterdam 2026.
The clock says 5:53 faster, but the races themselves got 2:57 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
3 races · 3 events
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Rotterdam15 Apr 2026Doubles Open · Mixed1:27:06 PB659/1047Beat 37%
↑ 412 days after Rotterdam 2025, with Gwythian Zandgrond 2:56 better than the field Why ↓Close ↑
2:56 better than the field: 5:53 faster on the clock, against 2:57 faster for everyone.
The fieldCompare these two →2:57 faster This pair5:53 faster -
Utrecht28 Nov 2025Individual Open · Women1:29:39 PB78/254Beat 69%
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Rotterdam27 Feb 2025Doubles Open · Mixed1:32:59288/353Beat 18%