Progress against the field
From Houston 2026 to Boston 2026, Joshua Calderon got 36:14 faster than the field.
The clock says 37:29 faster, but the races themselves got 1:15 quicker for everyone.
The largest gain on the field came from Washington DC 2026 → Boston 2026: 45:49 in 35 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
4 races · 4 events
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Boston8 Oct 2026Individual Pro · Men1:55:34 PB320/339Beat 6%
↑ 35 days after Washington DC 2026 45:49 better than the field Why ↓Close ↑
44:00 faster on the clock in a race that was 1:49 slower for everyone: 45:49 better than the field.
The fieldCompare these two →1:49 slower This athlete44:00 faster -
Washington DC3 Sep 2026Individual Pro · Men2:39:34377/378Beat 0%
↑ 161 days after Houston 2026 9:35 worse than the field Why ↓Close ↑
6:31 slower on the clock in a race that was 3:04 faster for everyone: 9:35 lost to the field.
The fieldCompare these two →3:04 faster This athlete6:31 slower -
Houston26 Mar 2026Individual Pro · Men2:33:03345/353Beat 2%
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New York30 May 2025Doubles Pro · Men1:45:11 PB126/130Beat 3%