Progress against the field
Arlena Stammers and Bryan Dieker have dropped 1:28 behind the field from Rotterdam 2025 to Berlin 2026.
The clock says 0:32 faster, but the races themselves got 2:00 quicker for everyone.
245 days between Maastricht 2025 and Berlin 2026 is the longest gap compared here, and the second race was 1:18 better than the field.
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
7 races · 7 events
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Berlin22 May 2026Doubles Open · Mixed1:05:45 PB30/577Beat 95%
↑ 245 days after Maastricht 2025, with Bryan Dieker 1:18 better than the field Why ↓Close ↑
5:05 faster on the clock, and the race was 3:47 faster for everyone, so 1:18 of it was this pair.
The fieldCompare these two →3:47 faster This pair5:05 faster -
Heerenveen14 May 2026Individual Open · Women1:15:20 PB16/205Beat 92%
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Rotterdam15 Apr 2026Doubles Pro · Women1:11:15 PB45/226Beat 80%
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Utrecht28 Nov 2025Doubles Pro · Women1:13:577/59Beat 88%
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Maastricht19 Sep 2025Doubles Open · Mixed1:10:5053/658Beat 92%
↑ 204 days after Rotterdam 2025, with Bryan Dieker 2:46 worse than the field Why ↓Close ↑
4:33 slower on the clock in a race that was 1:47 slower for everyone: 2:46 lost to the field.
The fieldCompare these two →1:47 slower This pair4:33 slower -
Rotterdam27 Feb 2025Doubles Open · Mixed1:06:1729/707Beat 96%
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Amsterdam10 Oct 2024Doubles Open · Women1:08:48 PB18/657Beat 97%