Progress against the field
From Utrecht 2025 to Rotterdam 2026, Amber Boer and Joëlle Duijndam have moved with the field: what changed on the clock changed for everyone.
The clock says 4:08 faster, but the races themselves got 4:19 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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Maastricht19 Sep 2026Doubles Open · Mixed1:07:55 PB64/687Beat 91%
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Barcelona14 May 2026Doubles Open · Mixed1:08:3456/615Beat 91%
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Rotterdam15 Apr 2026Doubles Open · Women1:11:52 PB56/936Beat 94%
↑ 20 days after Mechelen 2026, with Joëlle Duijndam 0:22 better than the field Why ↓Close ↑
1:11 faster on the clock, and the race was 0:49 faster for everyone, so 0:22 of it was this pair.
The fieldCompare these two →0:49 faster This pair1:11 faster -
Mechelen26 Mar 2026Doubles Open · Women1:13:0378/1017Beat 92%
↑ 118 days after Utrecht 2025, with Joëlle Duijndam 0:33 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:57 faster on the clock, yet the race was 3:30 faster for everyone, so 0:33 was lost on the field.
The fieldCompare these two →3:30 faster This pair2:57 faster -
Utrecht28 Nov 2025Doubles Open · Women1:16:0087/828Beat 90%