Progress against the field
Between Dublin 2023 and Birmingham 2026, Jack Croft lost 2:12 to the field.
Over the same races everyone got 17:19 quicker, so 15:07 faster on the clock looks better than it was.
836 days between London 2023 and Glasgow 2026 is the longest gap compared here, and the second race was 5:19 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
5 races · 5 events
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Birmingham31 Oct 2026Individual Open · Men1:04:35 PB77/1442Beat 95%
↑ 234 days after Glasgow 2026 0:03 better than the field Why ↓Close ↑
2:57 faster on the clock, and the race was 2:54 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →2:54 faster This athlete2:57 faster -
Glasgow11 Mar 2026Individual Open · Men1:07:32121/1452Beat 92%
↑ 836 days after London 2023 5:19 better than the field Why ↓Close ↑
5:19 better than the field: 12:46 faster on the clock, against 7:27 faster for everyone.
The fieldCompare these two →7:27 faster This athlete12:46 faster -
Manchester21 Jan 2026Doubles Pro · Men1:05:37 PB19/50Beat 62%
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London26 Nov 2023Individual Open · Men1:20:18629/1865Beat 66%
↑ 29 days after Dublin 2023 7:34 worse than the field Why ↓Close ↑
0:36 slower on the clock in a race that was 6:58 faster for everyone: 7:34 lost to the field.
The fieldCompare these two →6:58 faster This athlete0:36 slower -
Dublin28 Oct 2023Individual Open · Men1:19:42113/777Beat 86%