Progress against the field
From Birmingham 2023 to London 2023, the field gained 11:10 on Michael Duffy.
Over the same races everyone got 4:25 quicker, so 6:45 slower on the clock looks better than it was.
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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Sydney4 Jul 2025Individual Open · Men1:05:53 PB99/1587Beat 94%
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Rotterdam6 Apr 2024Individual Open · Men1:17:51174/1380Beat 87%
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London26 Nov 2023Individual Open · Men1:17:21435/1865Beat 77%
↑ 36 days after Birmingham 2023 11:10 worse than the field Why ↓Close ↑
11:10 behind the field: 6:45 slower on the clock, against 4:25 faster for everyone.
The fieldCompare these two →4:25 faster This athlete6:45 slower -
Birmingham21 Oct 2023Individual Open · Men1:10:3677/1182Beat 94%