Progress against the field
Between Boston 2025 and Chicago 2025, Kiera Bentley and Amy Rainone lost 8:25 to the field.
The clock says 4:59 slower, but the races themselves got 3:26 quicker for everyone.
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 · Women1:35:03 PB226/475Beat 52%
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Chicago14 Nov 2025Doubles Open · Women1:32:50927/1539Beat 40%
↑ 49 days after Boston 2025, with Amy Rainone 8:25 worse than the field Why ↓Close ↑
4:59 slower on the clock in a race that was 3:26 faster for everyone: 8:25 lost to the field.
The fieldCompare these two →3:26 faster This pair4:59 slower -
Boston26 Sep 2025Doubles Open · Women1:27:51 PB708/1424Beat 50%