Progress against the field
From Chicago 2025 to Boston 2026, Julia DiPrete got 3:06 faster than the field.
Over the same races everyone got 1:31 quicker, so 4:37 faster on the clock looks better than it was.
195 days between Chicago 2025 and New York 2026 is the longest gap compared here, and the second race was 10:09 better than 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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Boston8 Oct 2026Individual Open · Women2:10:32631/722Beat 13%
↑ 133 days after New York 2026 7:03 worse than the field Why ↓Close ↑
3:08 slower on the clock in a race that was 3:55 faster for everyone: 7:03 lost to the field.
The fieldCompare these two →3:55 faster This athlete3:08 slower -
New York28 May 2026Individual Open · Women2:07:24 PB875/1098Beat 20%
↑ 195 days after Chicago 2025 10:09 better than the field Why ↓Close ↑
The race was 2:24 slower for everyone and the clock still says 7:45 faster: 10:09 gained on the field.
The fieldCompare these two →2:24 slower This athlete7:45 faster -
Chicago14 Nov 2025Individual Open · Women2:15:091072/1127Beat 5%