Progress against the field
kim harris has dropped 15:26 behind the field from Birmingham 2023 to Birmingham 2026.
The clock says 1:28 slower, but the races themselves got 13:58 quicker for everyone.
The longest gap between two races compared here, 374 days between Birmingham 2025 and Birmingham 2026, cost 2:09 on the field.
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
8 races · 8 events
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Birmingham31 Oct 2026Individual Open · Women1:25:08152/547Beat 72%
↑ 374 days after Birmingham 2025 2:09 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:05 faster on the clock, yet the race was 4:14 faster for everyone, so 2:09 was lost on the field.
The fieldCompare these two →4:14 faster This athlete2:05 faster -
London Olympia24 Mar 2026Individual Pro · Women1:36:10 PB201/257Beat 22%
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Birmingham22 Oct 2025Individual Open · Women1:27:13110/380Beat 71%
↑ 145 days after Cardiff 2025 8:08 worse than the field Why ↓Close ↑
6:22 slower on the clock in a race that was 1:46 faster for everyone: 8:08 lost to the field.
The fieldCompare these two →1:46 faster This athlete6:22 slower -
Cardiff30 May 2025Individual Open · Women1:20:51 PB144/587Beat 76%
↑ 217 days after Birmingham 2024 2:13 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:25 faster on the clock, yet the race was 5:38 faster for everyone, so 2:13 was lost on the field.
The fieldCompare these two →5:38 faster This athlete3:25 faster -
London3 May 2025Doubles Open · Mixed1:15:34410/956Beat 57%
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London29 Nov 2024Doubles Open · Mixed1:15:11 PB253/795Beat 68%
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Birmingham25 Oct 2024Individual Open · Women1:24:16203/846Beat 76%
↑ 370 days after Birmingham 2023 2:56 worse than the field Why ↓Close ↑
0:36 slower on the clock in a race that was 2:20 faster for everyone: 2:56 lost to the field.
The fieldCompare these two →2:20 faster This athlete0:36 slower -
Birmingham21 Oct 2023Individual Open · Women1:23:40116/532Beat 78%