Progress against the field
From New York 2026 to Boston 2026, Marlon Somwaru got 12:50 faster than the field.
The clock says 17:36 faster, but the races themselves got 4:46 quicker for everyone.
The biggest step was New York 2026 → Washington DC 2026: 15:22 on the field in 98 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
3 races · 3 events
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Boston8 Oct 2026Individual Open · Men1:41:52864/1233Beat 30%
↑ 35 days after Washington DC 2026 2:32 worse than the field Why ↓Close ↑
2:32 behind the field: 1:21 slower on the clock, against 1:11 faster for everyone.
The fieldCompare these two →1:11 faster This athlete1:21 slower -
Washington DC3 Sep 2026Individual Open · Men1:40:31 PB375/626Beat 40%
↑ 98 days after New York 2026 15:22 better than the field Why ↓Close ↑
15:22 better than the field: 18:57 faster on the clock, against 3:35 faster for everyone.
The fieldCompare these two →3:35 faster This athlete18:57 faster -
New York28 May 2026Individual Open · Men1:59:28285/308Beat 8%