Progress against the field
Between Birmingham 2024 and Birmingham 2026, Elizabeth Croad-Protheroe and Emma Chapman lost 1:03 to the field.
Over the same races everyone got 8:52 quicker, so 7:49 faster on the clock looks better than it was.
217 days between Birmingham 2024 and Cardiff 2025 is the longest gap compared here, and the second race was 1:31 better than 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
9 races · 7 events
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Birmingham31 Oct 2026Doubles Open · Women1:12:1255/680Beat 92%
↑ 185 days after Cardiff 2026, with Emma Chapman 1:11 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:28 faster on the clock, yet the race was 1:39 faster for everyone, so 1:11 was lost on the field.
The fieldCompare these two →1:39 faster This pair0:28 faster -
Cardiff29 Apr 2026Relay · Women1:18:2822/75Beat 71%
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Cardiff29 Apr 2026Doubles Open · Women1:12:4084/862Beat 90%
↑ 13 days after Malaga 2026, with Emma Chapman 1:07 worse than the field Why ↓Close ↑
1:07 behind the field: 1:35 slower on the clock, against 0:28 slower for everyone.
The fieldCompare these two →0:28 slower This pair1:35 slower -
Malaga16 Apr 2026Doubles Open · Women1:11:0573/715Beat 90%
↑ 133 days after London Excel 2025, with Emma Chapman 1:58 worse than the field Why ↓Close ↑
0:04 slower on the clock in a race that was 1:54 faster for everyone: 1:58 lost to the field.
The fieldCompare these two →1:54 faster This pair0:04 slower -
London Excel4 Dec 2025Doubles Open · Women1:11:01 PB121/1599Beat 92%
↑ 188 days after Cardiff 2025, with Emma Chapman 1:42 better than the field Why ↓Close ↑
1:42 better than the field: 3:21 faster on the clock, against 1:39 faster for everyone.
The fieldCompare these two →1:39 faster This pair3:21 faster -
London Excel4 Dec 2025Relay · Women1:13:3324/141Beat 83%
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Cardiff30 May 2025Doubles Open · Women1:14:2253/247Beat 79%
↑ 217 days after Birmingham 2024, with Emma Chapman 1:31 better than the field Why ↓Close ↑
5:39 faster on the clock, and the race was 4:08 faster for everyone, so 1:31 of it was this pair.
The fieldCompare these two →4:08 faster This pair5:39 faster -
Manchester24 Jan 2025Relay · Women1:06:4614/145Beat 90%
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Birmingham25 Oct 2024Doubles Open · Women1:20:01323/973Beat 67%