Progress against the field
Gemma Cozens has gained 1:42 on the field from London 2024 to Manchester 2026.
The clock says 11:07 faster, but the races themselves got 9:25 quicker for everyone.
The largest gain on the field came from London 2024 → Manchester 2025: 3:36 in 56 days.
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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Manchester21 Jan 2026Individual Open · Women1:28:20 PB312/825Beat 62%
↑ 236 days after Cardiff 2025 0:41 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:54 faster on the clock, yet the race was 1:35 faster for everyone, so 0:41 was lost on the field.
The fieldCompare these two →1:35 faster This athlete0:54 faster -
Cardiff30 May 2025Individual Open · Women1:29:14283/587Beat 52%
↑ 79 days after Glasgow 2025 0:08 worse than the field Why ↓Close ↑
Moved with the field: 1:50 faster on the clock, against 1:58 faster for everyone.
The fieldCompare these two →1:58 faster This athlete1:50 faster -
Glasgow12 Mar 2025Individual Open · Women1:31:04315/649Beat 52%
↑ 47 days after Manchester 2025 1:05 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:47 faster on the clock, yet the race was 2:52 faster for everyone, so 1:05 was lost on the field.
The fieldCompare these two →2:52 faster This athlete1:47 faster -
Manchester24 Jan 2025Individual Open · Women1:32:51274/539Beat 49%
↑ 56 days after London 2024 3:36 better than the field Why ↓Close ↑
6:36 faster on the clock, and the race was 3:00 faster for everyone, so 3:36 of it was this athlete.
The fieldCompare these two →3:00 faster This athlete6:36 faster -
London29 Nov 2024Individual Open · Women1:39:27565/940Beat 40%