Progress against the field
From Birmingham 2022 to Birmingham 2024, Catherine Pearson got 2:45 faster than the field.
Over the same races everyone got 2:35 quicker, so 5:20 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
5 races · 5 events
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Manchester9 Nov 2024Individual Pro · Women1:36:08 PB59/83Beat 29%
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Birmingham25 Oct 2024Individual Open · Women1:29:31 PB332/846Beat 61%
↑ 636 days after Manchester 2023 0:58 better than the field Why ↓Close ↑
5:57 faster on the clock, and the race was 4:59 faster for everyone, so 0:58 of it was this athlete.
The fieldCompare these two →4:59 faster This athlete5:57 faster -
Dubai2 Sep 2023Individual Pro · Women1:39:2419/22Beat 14%
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Manchester28 Jan 2023Individual Open · Women1:35:28150/281Beat 47%
↑ 105 days after Birmingham 2022 1:47 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
0:37 slower on the clock in a race that was 2:24 slower for everyone: 1:47 gained on the field, which the clock hides.
The fieldCompare these two →2:24 slower This athlete0:37 slower -
Birmingham15 Oct 2022Individual Open · Women1:34:51223/372Beat 40%