Progress against the field
Between Warsaw 2025 and Birmingham 2026, Rosie Cox and James Dinsdale pulled 5:21 ahead of the field.
Over the same races everyone got 1:59 quicker, so 7:20 faster on the clock looks better than it was.
The longest gap between two races compared here, 405 days between Warsaw 2025 and Berlin 2026, still ended 5:25 ahead of 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. The summary above covers Doubles Open · Mixed, with James Dinsdale, the one raced most; every comparison is in the list below.
Every race
7 races · 7 events
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Birmingham31 Oct 2026Doubles Open · Mixed1:20:31 PB248/560Beat 56%
↑ 162 days after Berlin 2026, with James Dinsdale 0:04 worse than the field Why ↓Close ↑
0:57 faster on the clock, and the race was 1:01 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →1:01 faster This pair0:57 faster -
Berlin22 May 2026Doubles Open · Mixed1:21:28330/530Beat 38%
↑ 405 days after Warsaw 2025, with James Dinsdale 5:25 better than the field Why ↓Close ↑
6:23 faster on the clock, and the race was 0:58 faster for everyone, so 5:25 of it was this pair.
The fieldCompare these two →0:58 faster This pair6:23 faster -
Cardiff29 Apr 2026Individual Open · Women1:37:27 PB372/646Beat 42%
↑ 98 days after Manchester 2026 7:36 better than the field Why ↓Close ↑
11:07 faster on the clock, and the race was 3:31 faster for everyone, so 7:36 of it was this athlete.
The fieldCompare these two →3:31 faster This athlete11:07 faster -
Glasgow11 Mar 2026Doubles Open · Women1:24:33 PB586/1618Beat 64%
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Manchester21 Jan 2026Individual Open · Women1:48:34636/825Beat 23%
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Warsaw12 Apr 2025Doubles Open · Mixed1:27:51232/288Beat 19%
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Birmingham25 Oct 2024Doubles Open · Mixed1:37:15794/894Beat 11%