Progress against the field
From Manchester 2023 to Birmingham 2023, the field gained 0:39 on Cassie Duffy.
Over the same races everyone got 2:32 quicker, so 1:53 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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Birmingham25 Oct 2024Doubles Open · Mixed1:39:37 PB815/894Beat 9%
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Birmingham21 Oct 2023Individual Open · Women2:01:28 PB491/532Beat 8%
↑ 266 days after Manchester 2023 0:39 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:53 faster on the clock, yet the race was 2:32 faster for everyone, so 0:39 was lost on the field.
The fieldCompare these two →2:32 faster This athlete1:53 faster -
Manchester28 Jan 2023Individual Open · Women2:03:21246/281Beat 13%
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Birmingham15 Oct 2022Doubles Open · Women1:25:37 PB178/309Beat 42%