Progress against the field
From Birmingham 2025 to Birmingham 2026, the field gained 3:58 on Lauren Sheppard.
Over the same races everyone got 4:41 quicker, so 0:43 faster on the clock looks better than it was.
331 days between London Excel 2025 and Birmingham 2026 is the longest gap compared here, and the second race was 1:59 behind 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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
8 races · 7 events
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Birmingham31 Oct 2026Individual Open · Women1:19:17158/887Beat 82%
↑ 331 days after London Excel 2025 1:59 worse than the field Why ↓Close ↑
1:59 behind the field: 0:22 slower on the clock, against 1:37 faster for everyone.
The fieldCompare these two →1:37 faster This athlete0:22 slower -
Manchester21 Jan 2026Doubles Open · Women1:10:0685/1155Beat 93%
↑ 91 days after Birmingham 2025, with Aimee Pearce 0:07 worse than the field Why ↓Close ↑
0:19 slower on the clock, and the race was 0:12 slower for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →0:12 slower This pair0:19 slower -
London Excel4 Dec 2025Individual Open · Women1:18:55 PB207/1379Beat 85%
↑ 43 days after Birmingham 2025 1:59 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:05 faster on the clock, yet the race was 3:04 faster for everyone, so 1:59 was lost on the field.
The fieldCompare these two →3:04 faster This athlete1:05 faster -
Birmingham22 Oct 2025Doubles Open · Women1:09:4720/411Beat 95%
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Birmingham22 Oct 2025Individual Open · Women1:20:00113/748Beat 85%
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Cardiff30 May 2025Doubles Open · Women1:09:01 PB33/529Beat 94%
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Paris 118 Apr 2025Doubles Pro · Women1:06:29 PB24/158Beat 85%
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Birmingham21 Oct 2023Relay · Mixed1:04:488/57Beat 86%