Progress against the field
Between Cardiff 2026 and Rome 2026, Zoe Machin and Chris Simcock pulled 5:05 ahead of the field.
Over the same races everyone got 0:34 slower, so 4:31 faster on the clock looks worse 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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Birmingham31 Oct 2026Individual Open · Women1:19:40 PB92/552Beat 83%
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Rome23 Sep 2026Doubles Open · Mixed1:13:16 PB128/652Beat 80%
↑ 147 days after Cardiff 2026, with Chris Simcock 5:05 better than the field Why ↓Close ↑
The race was 0:34 slower for everyone and the clock still says 4:31 faster: 5:05 gained on the field.
The fieldCompare these two →0:34 slower This pair4:31 faster -
Cardiff29 Apr 2026Doubles Open · Mixed1:17:47188/491Beat 62%
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London Excel4 Dec 2025Doubles Open · Mixed1:16:49612/1474Beat 59%