Progress against the field
Between Rotterdam 2025 and Heerenveen 2026, Annefleur Klein and Robbert Vos kept pace with the field.
The clock says 11:24 faster, but the races themselves got 11:23 quicker for everyone.
Ahead of the field in 3 of 4 comparisons.
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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Heerenveen14 May 2026Doubles Open · Mixed1:13:57 PB131/461Beat 72%
↑ 113 days after Amsterdam 2026, with Robbert Vos 1:22 better than the field Why ↓Close ↑
1:22 better than the field: 3:07 faster on the clock, against 1:45 faster for everyone.
The fieldCompare these two →1:45 faster This pair3:07 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:17:04219/506Beat 57%
↑ 54 days after Utrecht 2025, with Robbert Vos 5:22 worse than the field Why ↓Close ↑
5:22 behind the field: 0:32 slower on the clock, against 4:50 faster for everyone.
The fieldCompare these two →4:50 faster This pair0:32 slower -
Utrecht28 Nov 2025Doubles Open · Mixed1:16:3286/381Beat 77%
↑ 203 days after Heerenveen 2025, with Robbert Vos 0:14 better than the field Why ↓Close ↑
0:14 better than the field: 1:55 faster on the clock, against 1:41 faster for everyone.
The fieldCompare these two →1:41 faster This pair1:55 faster -
Heerenveen9 May 2025Doubles Open · Mixed1:18:27184/492Beat 63%
↑ 71 days after Rotterdam 2025, with Robbert Vos 3:47 better than the field Why ↓Close ↑
6:54 faster on the clock, and the race was 3:07 faster for everyone, so 3:47 of it was this pair.
The fieldCompare these two →3:07 faster This pair6:54 faster -
Rotterdam27 Feb 2025Doubles Open · Mixed1:25:21203/353Beat 43%