Progress against the field
From Birmingham 2025 to Birmingham 2026, the field gained 5:49 on Kate Potter.
Over the same races everyone got 6:16 quicker, so 0:27 faster on the clock looks better than it was.
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
4 races · 4 events
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Birmingham31 Oct 2026Individual Open · Women2:06:25 PB827/887Beat 7%
↑ 283 days after Manchester 2026 0:23 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:18 faster on the clock looks better than it was: the race was 4:41 faster for everyone, which leaves this 0:23 behind the field.
The fieldCompare these two →4:41 faster This athlete4:18 faster -
Manchester21 Jan 2026Individual Open · Women2:10:43772/825Beat 6%
↑ 91 days after Birmingham 2025 5:26 worse than the field Why ↓Close ↑
3:51 slower on the clock in a race that was 1:35 faster for everyone: 5:26 lost to the field.
The fieldCompare these two →1:35 faster This athlete3:51 slower -
Birmingham22 Oct 2025Individual Open · Women2:06:52694/748Beat 7%
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Yokohama9 Aug 2025Individual Open · Women2:19:13296/304Beat 3%