Progress against the field
Between Cardiff 2025 and Malaga 2026, Jerry Massucci pulled 5:57 ahead of the field.
Over the same races everyone got 6:20 quicker, so 12:17 faster on the clock looks better than it was.
The longest gap between two races compared here, 188 days between Cardiff 2025 and London Excel 2025, cost 1:16 on the field.
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
3 races · 3 events
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Malaga16 Apr 2026Individual Open · Men1:31:13 PB822/1036Beat 21%
↑ 133 days after London Excel 2025 7:13 better than the field Why ↓Close ↑
9:31 faster on the clock, and the race was 2:18 faster for everyone, so 7:13 of it was this athlete.
The fieldCompare these two →2:18 faster This athlete9:31 faster -
London Excel4 Dec 2025Individual Open · Men1:40:442370/2779Beat 15%
↑ 188 days after Cardiff 2025 1:16 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:46 faster on the clock looks better than it was: the race was 4:02 faster for everyone, which leaves this 1:16 behind the field.
The fieldCompare these two →4:02 faster This athlete2:46 faster -
Cardiff30 May 2025Individual Open · Men1:43:301253/1401Beat 11%