Progress against the field
Rich Birse and Emma Birse have dropped 4:12 behind the field from Cardiff 2025 to Glasgow 2026.
Over the same races everyone got 2:48 quicker, so 1:24 slower on the clock looks better than it was.
The longest gap between two races compared here, 188 days between Cardiff 2025 and London Excel 2025, cost 4:59 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. The summary above covers Doubles Open · Mixed, with Emma Birse, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Glasgow11 Mar 2026Doubles Open · Mixed1:18:09173/460Beat 62%
↑ 97 days after London Excel 2025, with Emma Birse 0:47 better than the field Why ↓Close ↑
0:27 faster on the clock in a race that was 0:20 slower for everyone: 0:47 better than the field.
The fieldCompare these two →0:20 slower This pair0:27 faster -
London Excel4 Dec 2025Doubles Open · Mixed1:18:36712/1474Beat 52%
↑ 188 days after Cardiff 2025, with Emma Birse 4:59 worse than the field Why ↓Close ↑
1:51 slower on the clock in a race that was 3:08 faster for everyone: 4:59 lost to the field.
The fieldCompare these two →3:08 faster This pair1:51 slower -
Cardiff30 May 2025Doubles Open · Mixed1:16:45 PB106/267Beat 60%
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Glasgow12 Mar 2025Individual Open · Men1:43:171377/1588Beat 13%
↑ 138 days after Birmingham 2024 14:46 worse than the field Why ↓Close ↑
14:46 behind the field: 9:25 slower on the clock, against 5:21 faster for everyone.
The fieldCompare these two →5:21 faster This athlete9:25 slower -
Birmingham25 Oct 2024Individual Open · Men1:33:52 PB562/816Beat 31%