Progress against the field
From Heerenveen 2025 to Utrecht 2025, Marleen Rietbroek and Jan Van Rooden have moved with the field: what changed on the clock changed for everyone.
The clock says 1:38 faster, but the races themselves got 1:41 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
4 races · 4 events
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Utrecht28 Nov 2025Doubles Open · Mixed1:13:22 PB113/701Beat 84%
↑ 203 days after Heerenveen 2025, with Jan Van Rooden 0:03 worse than the field Why ↓Close ↑
Moved with the field: 1:38 faster on the clock, against 1:41 faster for everyone.
The fieldCompare these two →1:41 faster This pair1:38 faster -
Heerenveen9 May 2025Doubles Open · Mixed1:15:00101/492Beat 80%
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Amsterdam10 Oct 2024Doubles Open · Women1:29:54 PB379/657Beat 42%
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Rotterdam6 Apr 2024Relay · Women1:17:004/31Beat 87%