Progress against the field
Bethany Costello has dropped 19:29 behind the field from Glasgow 2023 to Birmingham 2023.
Over the same races everyone got 1:31 slower, so 21:00 slower on the clock looks worse 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
3 races · 3 events
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Birmingham21 Oct 2023Individual Open · Women1:54:32465/532Beat 13%
↑ 252 days after Glasgow 2023 19:29 worse than the field Why ↓Close ↑
19:29 behind the field: 21:00 slower on the clock, against 1:31 slower for everyone.
The fieldCompare these two →1:31 slower This athlete21:00 slower -
Glasgow11 Feb 2023Individual Open · Women1:33:32 PB271/442Beat 39%
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Birmingham15 Oct 2022Doubles Open · Women1:21:29 PB120/309Beat 61%