Progress against the field
Between Rotterdam 2024 and Utrecht 2025, Tanja Berntsen and Judith Hordijk pulled 6:58 ahead of the field.
The clock says 14:15 faster, but the races themselves got 7:17 quicker for everyone.
The biggest step was Rotterdam 2024 → Amsterdam 2024: 8:44 on the field in 187 days.
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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Utrecht28 Nov 2025Doubles Open · Women1:20:26206/828Beat 75%
↑ 203 days after Heerenveen 2025, with Judith Hordijk 1:55 worse than the field Why ↓Close ↑
1:55 behind the field: 0:43 slower on the clock, against 1:12 faster for everyone.
The fieldCompare these two →1:12 faster This pair0:43 slower -
Heerenveen9 May 2025Doubles Open · Women1:19:43 PB96/566Beat 83%
↑ 211 days after Amsterdam 2024, with Judith Hordijk 0:09 better than the field Why ↓Close ↑
Moved with the field: 3:06 faster on the clock, against 2:57 faster for everyone.
The fieldCompare these two →2:57 faster This pair3:06 faster -
Belgium5 Apr 2025Relay · Women1:33:1617/19Beat 11%
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Amsterdam10 Oct 2024Doubles Open · Women1:22:49223/657Beat 66%
↑ 187 days after Rotterdam 2024, with Judith Hordijk 8:44 better than the field Why ↓Close ↑
8:44 better than the field: 11:52 faster on the clock, against 3:08 faster for everyone.
The fieldCompare these two →3:08 faster This pair11:52 faster -
Rotterdam6 Apr 2024Doubles Open · Women1:34:41367/564Beat 35%