Progress against the field
From Glasgow 2025 to Birmingham 2026, Casey Roe got 7:59 faster than the field.
Over the same races everyone got 6:37 quicker, so 14:36 faster on the clock looks better than it was.
The longest gap between two races compared here, 224 days between Glasgow 2025 and Birmingham 2025, still ended 11:03 ahead of 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
9 races · 9 events
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Birmingham31 Oct 2026Individual Open · Women1:15:3491/887Beat 90%
↑ 185 days after Cardiff 2026 7:28 worse than the field Why ↓Close ↑
7:28 behind the field: 4:45 slower on the clock, against 2:43 faster for everyone.
The fieldCompare these two →2:43 faster This athlete4:45 slower -
Cardiff29 Apr 2026Individual Open · Women1:10:49 PB12/646Beat 98%
↑ 189 days after Birmingham 2025 4:24 better than the field Why ↓Close ↑
7:34 faster on the clock, and the race was 3:10 faster for everyone, so 4:24 of it was this athlete.
The fieldCompare these two →3:10 faster This athlete7:34 faster -
Manchester21 Jan 2026Doubles Open · Women1:10:36 PB95/1155Beat 92%
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Birmingham22 Oct 2025Individual Open · Women1:18:23101/829Beat 88%
↑ 224 days after Glasgow 2025 11:03 better than the field Why ↓Close ↑
11:47 faster on the clock, and the race was 0:44 faster for everyone, so 11:03 of it was this athlete.
The fieldCompare these two →0:44 faster This athlete11:47 faster -
Rome26 Sep 2025Doubles Open · Mixed1:14:58255/655Beat 61%
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Glasgow12 Mar 2025Individual Open · Women1:30:10306/649Beat 53%
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Manchester24 Jan 2025Doubles Open · Mixed1:09:36 PB180/733Beat 75%
↑ 91 days after Birmingham 2024, with Tom Lewis 2:14 better than the field Why ↓Close ↑
2:14 better than the field: 4:32 faster on the clock, against 2:18 faster for everyone.
The fieldCompare these two →2:18 faster This pair4:32 faster -
Birmingham25 Oct 2024Doubles Open · Mixed1:14:08249/894Beat 72%
↑ 237 days after Glasgow 2024, with Tom Lewis 4:16 better than the field Why ↓Close ↑
4:16 better than the field: 6:42 faster on the clock, against 2:26 faster for everyone.
The fieldCompare these two →2:26 faster This pair6:42 faster -
Glasgow2 Mar 2024Doubles Open · Mixed1:20:50341/850Beat 60%