Progress against the field
Helena Byles has dropped 0:47 behind the field from Glasgow 2024 to Birmingham 2024.
The clock says 0:17 faster, but the races themselves got 1:04 quicker for everyone.
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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Birmingham22 Oct 2025Doubles Pro · Women1:08:32 PB5/23Beat 78%
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Birmingham25 Oct 2024Individual Open · Women1:07:51 PB3/564Beat 100%
↑ 237 days after Glasgow 2024 0:47 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:17 faster on the clock looks better than it was: the race was 1:04 faster for everyone, which leaves this 0:47 behind the field.
The fieldCompare these two →1:04 faster This athlete0:17 faster -
Glasgow2 Mar 2024Individual Open · Women1:08:089/816Beat 99%