Progress against the field
From Chicago Navy Pier 2024 to Boston 2026, the field gained 4:53 on Brittany Weber.
Over the same races everyone got 3:24 quicker, so 1:29 slower on the clock looks better than it was.
The longest gap between two races compared here, 496 days between New York 2025 and Boston 2026, cost 7:19 on 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 · Women1:25:47113/475Beat 76%
↑ 496 days after New York 2025 7:19 worse than the field Why ↓Close ↑
7:19 behind the field: 5:41 slower on the clock, against 1:38 faster for everyone.
The fieldCompare these two →1:38 faster This athlete5:41 slower -
New York30 May 2025Individual Open · Women1:20:06 PB133/781Beat 83%
↑ 195 days after Chicago Navy Pier 2024 2:26 better than the field Why ↓Close ↑
4:12 faster on the clock, and the race was 1:46 faster for everyone, so 2:26 of it was this athlete.
The fieldCompare these two →1:46 faster This athlete4:12 faster -
Chicago Navy Pier16 Nov 2024Individual Open · Women1:24:18156/599Beat 74%