Progress against the field
Between Cardiff 2025 and London Excel 2025, Tom Denner-Harris and Johanah Denner-Harris pulled 6:42 ahead of the field.
Over the same races everyone got 3:08 quicker, so 9:50 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
4 races · 3 events
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Cardiff29 Apr 2026Doubles Open · Mixed1:26:27285/419Beat 32%
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Cardiff29 Apr 2026Individual Open · Men1:12:53 PB100/528Beat 81%
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London Excel4 Dec 2025Doubles Open · Mixed1:26:25 PB1055/1474Beat 28%
↑ 188 days after Cardiff 2025, with Johanah Denner-Harris 6:42 better than the field Why ↓Close ↑
9:50 faster on the clock, and the race was 3:08 faster for everyone, so 6:42 of it was this pair.
The fieldCompare these two →3:08 faster This pair9:50 faster -
Cardiff30 May 2025Doubles Open · Mixed1:36:15242/267Beat 9%