Progress against the field
Between Paris 2024 and London Excel 2025, Joshua Slack and Richard Slack pulled 4:22 ahead of the field.
Over the same races everyone got 6:04 quicker, so 10:26 faster 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
2 races · 2 events
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London Excel4 Dec 2025Doubles Open · Men1:24:02 PB1790/2102Beat 15%
↑ 390 days after Paris 2024, with Richard Slack 4:22 better than the field Why ↓Close ↑
10:26 faster on the clock, and the race was 6:04 faster for everyone, so 4:22 of it was this pair.
The fieldCompare these two →6:04 faster This pair10:26 faster -
Paris9 Nov 2024Doubles Open · Men1:34:28811/865Beat 6%