Progress against the field
From Chicago 2025 to Washington DC 2026, Benjamin Arnold got 4:15 faster than the field.
The clock says 11:53 faster, but the races themselves got 7:38 quicker for everyone.
The biggest step was Miami 2026 → Washington DC 2026: 46:02 on the field in 153 days.
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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Washington DC3 Sep 2026Individual Open · Men1:34:34 PB779/1462Beat 47%
↑ 153 days after Miami 2026 46:02 better than the field Why ↓Close ↑
49:28 faster on the clock, and the race was 3:26 faster for everyone, so 46:02 of it was this athlete.
The fieldCompare these two →3:26 faster This athlete49:28 faster -
Miami3 Apr 2026Individual Open · Men2:24:021434/1462Beat 2%
↑ 140 days after Chicago 2025 41:47 worse than the field Why ↓Close ↑
37:35 slower on the clock in a race that was 4:12 faster for everyone: 41:47 lost to the field.
The fieldCompare these two →4:12 faster This athlete37:35 slower -
Chicago14 Nov 2025Individual Open · Men1:46:271248/1621Beat 23%
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Fort Lauderdale24 Feb 2024Individual Open · Men2:18:06360/372Beat 3%
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Miami BeachDate unknownIndividual Open · Men1:43:49752/972Beat 23%