Progress against the field
From Boston 2025 to Boston 2026, Damien Arboleda got 10:41 faster than the field.
Over the same races everyone got 3:03 quicker, so 13:44 faster on the clock looks better than it was.
The longest gap between two races compared here, 244 days between Boston 2025 and New York 2026, still ended 10:29 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
6 races · 5 events
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Boston8 Oct 2026Individual Pro · Men1:12:1093/339Beat 73%
↑ 35 days after Washington DC 2026 0:17 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
1:32 slower on the clock in a race that was 1:49 slower for everyone: 0:17 gained on the field, which the clock hides.
The fieldCompare these two →1:49 slower This athlete1:32 slower -
Washington DC3 Sep 2026Individual Pro · Men1:10:38 PB108/378Beat 71%
↑ 98 days after New York 2026 0:05 worse than the field Why ↓Close ↑
5:08 faster on the clock, and the race was 5:13 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →5:13 faster This athlete5:08 faster -
New York28 May 2026Individual Pro · Men1:15:4661/273Beat 78%
↑ 244 days after Boston 2025 10:29 better than the field Why ↓Close ↑
10:08 faster on the clock in a race that was 0:21 slower for everyone: 10:29 better than the field.
The fieldCompare these two →0:21 slower This athlete10:08 faster -
New York28 May 2026Individual Pro · Men1:17:31141/455Beat 69%
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Boston26 Sep 2025Individual Pro · Men1:25:54160/249Beat 36%
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New York30 May 2025Individual Open · Men1:13:05 PB210/1462Beat 86%