Progress against the field
From London Excel 2025 to Birmingham 2026, Helen Dean got 15:54 faster than the field.
Over the same races everyone got 0:36 slower, so 15:18 faster on the clock looks worse than it was.
The largest gain on the field came from London Excel 2025 → Barcelona 2026: 13:50 in 161 days.
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
3 races · 3 events
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Birmingham31 Oct 2026Individual Open · Women1:34:06 PB281/547Beat 49%
↑ 170 days after Barcelona 2026 2:04 better than the field Why ↓Close ↑
3:00 faster on the clock, and the race was 0:56 faster for everyone, so 2:04 of it was this athlete.
The fieldCompare these two →0:56 faster This athlete3:00 faster -
Barcelona14 May 2026Individual Open · Women1:37:06261/425Beat 39%
↑ 161 days after London Excel 2025 13:50 better than the field Why ↓Close ↑
12:18 faster on the clock in a race that was 1:32 slower for everyone: 13:50 better than the field.
The fieldCompare these two →1:32 slower This athlete12:18 faster -
London Excel4 Dec 2025Individual Open · Women1:49:241098/1379Beat 20%