Progress against the field
Between Cardiff 2025 and Birmingham 2026, Poppy Herold and Jack Dudfield pulled 5:08 ahead of the field.
Over the same races everyone got 3:33 quicker, so 8:41 faster on the clock looks better than it was.
331 days between London Excel 2025 and Birmingham 2026 is the longest gap compared here, and the second race was 3:38 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
5 races · 5 events
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Birmingham31 Oct 2026Doubles Open · Mixed1:09:00 PB204/1159Beat 82%
↑ 331 days after London Excel 2025, with Jack Dudfield 3:38 better than the field Why ↓Close ↑
3:38 better than the field: 4:03 faster on the clock, against 0:25 faster for everyone.
The fieldCompare these two →0:25 faster This pair4:03 faster -
London Olympia24 Mar 2026Doubles Pro · Women1:25:17 PB238/314Beat 24%
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London Excel4 Dec 2025Doubles Open · Mixed1:13:03367/1372Beat 73%
↑ 188 days after Cardiff 2025, with Jack Dudfield 1:30 better than the field Why ↓Close ↑
4:38 faster on the clock, and the race was 3:08 faster for everyone, so 1:30 of it was this pair.
The fieldCompare these two →3:08 faster This pair4:38 faster -
Birmingham22 Oct 2025Individual Open · Women1:28:09 PB243/748Beat 68%
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Cardiff30 May 2025Doubles Open · Mixed1:17:41213/470Beat 55%