Progress against the field
Jonathan Chamberlain has dropped 7:11 behind the field from London 2023 to Cardiff 2025.
The clock says 2:40 slower, but the races themselves got 4:31 quicker for everyone.
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
3 races · 3 events
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Cardiff30 May 2025Individual Open · Men1:23:08745/1401Beat 47%
↑ 217 days after Birmingham 2024 6:20 worse than the field Why ↓Close ↑
2:42 slower on the clock in a race that was 3:38 faster for everyone: 6:20 lost to the field.
The fieldCompare these two →3:38 faster This athlete2:42 slower -
Birmingham25 Oct 2024Individual Open · Men1:20:26 PB292/816Beat 64%
↑ 334 days after London 2023 0:51 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:02 faster on the clock, yet the race was 0:53 faster for everyone, so 0:51 was lost on the field.
The fieldCompare these two →0:53 faster This athlete0:02 faster -
London26 Nov 2023Individual Open · Men1:20:28639/1865Beat 66%