Progress against the field
Between London Excel 2025 and Birmingham 2026, Joffrey Olivier and Jason Martinez pulled 14:11 ahead of the field.
The races themselves barely changed, so 14:40 faster on the clock is the real picture.
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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Birmingham31 Oct 2026Doubles Pro · Men1:18:55 PB430/476Beat 10%
↑ 331 days after London Excel 2025, with Jason Martinez 14:11 better than the field Why ↓Close ↑
14:40 faster on the clock, and the race was 0:29 faster for everyone, so 14:11 of it was this pair.
The fieldCompare these two →0:29 faster This pair14:40 faster -
London Excel4 Dec 2025Doubles Pro · Men1:33:35253/263Beat 4%