Progress against the field
Delwin Clark has gained 21:45 on the field from Boston 2025 to Washington DC 2026.
The clock says 27:24 faster, but the races themselves got 5:39 quicker for everyone.
The longest gap between two races compared here, 244 days between Boston 2025 and New York 2026, still ended 13:57 ahead of 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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Washington DC3 Sep 2026Individual Open · Men1:40:47 PB243/327Beat 26%
↑ 98 days after New York 2026 7:48 better than the field Why ↓Close ↑
11:23 faster on the clock, and the race was 3:35 faster for everyone, so 7:48 of it was this athlete.
The fieldCompare these two →3:35 faster This athlete11:23 faster -
New York28 May 2026Individual Open · Men1:52:10457/556Beat 18%
↑ 244 days after Boston 2025 13:57 better than the field Why ↓Close ↑
16:01 faster on the clock, and the race was 2:04 faster for everyone, so 13:57 of it was this athlete.
The fieldCompare these two →2:04 faster This athlete16:01 faster -
Boston26 Sep 2025Individual Open · Men2:08:111392/1463Beat 5%