Progress against the field
Jonathan Hall has dropped 3:38 behind the field from London 2023 to Cardiff 2026.
Over the same races everyone got 8:31 quicker, so 4:53 faster on the clock looks better than it was.
The longest gap between two races compared here, 524 days between London 2023 and London 2025, cost 4:17 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 Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
7 races · 7 events
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Cardiff29 Apr 2026Individual Open · Men1:07:13 PB44/528Beat 92%
↑ 361 days after London 2025 0:39 better than the field Why ↓Close ↑
3:07 faster on the clock, and the race was 2:28 faster for everyone, so 0:39 of it was this athlete.
The fieldCompare these two →2:28 faster This athlete3:07 faster -
London Olympia24 Mar 2026Doubles Open · Men1:07:4441/171Beat 76%
↑ 480 days after London 2024, with Alex Hall 4:04 worse than the field Why ↓Close ↑
4:04 behind the field: 0:49 slower on the clock, against 3:15 faster for everyone.
The fieldCompare these two →3:15 faster This pair0:49 slower -
Dublin12 Nov 2025Doubles Open · Men1:17:34138/230Beat 40%
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London3 May 2025Individual Open · Men1:10:20305/1917Beat 84%
↑ 524 days after London 2023 4:17 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:46 faster on the clock, yet the race was 6:03 faster for everyone, so 4:17 was lost on the field.
The fieldCompare these two →6:03 faster This athlete1:46 faster -
London29 Nov 2024Doubles Open · Men1:06:55 PB248/984Beat 75%
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Sydney27 Jul 2024Doubles Open · Mixed1:06:45 PB30/438Beat 93%
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London26 Nov 2023Individual Open · Men1:12:06205/1865Beat 89%