Progress against the field
Between Cardiff 2025 and London Excel 2025, Daniel Isaacs pulled 9:28 ahead of the field.
Over the same races everyone got 5:04 quicker, so 14:32 faster on the clock looks better than it was.
The largest gain on the field came from Cardiff 2025 → Dublin 2025: 10:41 in 166 days.
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
4 races · 4 events
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London Excel4 Dec 2025Individual Open · Men1:06:16180/2771Beat 94%
↑ 22 days after Dublin 2025 1:13 worse than the field Why ↓Close ↑
1:13 behind the field: 0:44 slower on the clock, against 0:29 faster for everyone.
The fieldCompare these two →0:29 faster This athlete0:44 slower -
Dublin12 Nov 2025Individual Open · Men1:05:32 PB47/898Beat 95%
↑ 166 days after Cardiff 2025 10:41 better than the field Why ↓Close ↑
10:41 better than the field: 15:16 faster on the clock, against 4:35 faster for everyone.
The fieldCompare these two →4:35 faster This athlete15:16 faster -
Cardiff30 May 2025Individual Open · Men1:20:48633/1401Beat 55%
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London29 Nov 2024Doubles Open · Men1:22:21 PB376/444Beat 15%