Progress against the field
Henry Rivera has gained 17:29 on the field from Malaga 2024 to Birmingham 2026.
Over the same races everyone got 10:13 quicker, so 27:42 faster on the clock looks better than it was.
600 days between Malaga 2024 and London Excel 2025 is the longest gap compared here, and the second race was 28:49 better than 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
5 races · 5 events
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Birmingham31 Oct 2026Individual Open · Men2:00:09660/693Beat 5%
↑ 185 days after Cardiff 2026 8:22 better than the field Why ↓Close ↑
10:05 faster on the clock, and the race was 1:43 faster for everyone, so 8:22 of it was this athlete.
The fieldCompare these two →1:43 faster This athlete10:05 faster -
Cardiff29 Apr 2026Individual Open · Men2:10:14452/466Beat 3%
↑ 146 days after London Excel 2025 19:42 worse than the field Why ↓Close ↑
17:57 slower on the clock in a race that was 1:45 faster for everyone: 19:42 lost to the field.
The fieldCompare these two →1:45 faster This athlete17:57 slower -
London Excel4 Dec 2025Individual Open · Men1:52:17 PB2616/2779Beat 6%
↑ 600 days after Malaga 2024 28:49 better than the field Why ↓Close ↑
35:34 faster on the clock, and the race was 6:45 faster for everyone, so 28:49 of it was this athlete.
The fieldCompare these two →6:45 faster This athlete35:34 faster -
Birmingham22 Oct 2025Relay · Men1:04:3830/54Beat 44%
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Malaga13 Apr 2024Individual Open · Men2:27:51544/547Beat 1%