Progress against the field
Between Chicago 2023 and Chicago Navy Pier 2024, Erin Collins lost 23:25 to the field.
The clock says 19:38 slower, but the races themselves got 3:47 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
5 races · 5 events
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Chicago14 Nov 2025Doubles Pro · Women1:35:42 PB177/229Beat 23%
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Chicago Navy Pier16 Nov 2024Individual Pro · Women1:52:5481/84Beat 4%
↑ 371 days after Chicago 2023 23:25 worse than the field Why ↓Close ↑
19:38 slower on the clock in a race that was 3:47 faster for everyone: 23:25 lost to the field.
The fieldCompare these two →3:47 faster This athlete19:38 slower -
Chicago11 Nov 2023Individual Pro · Women1:33:16 PB37/54Beat 32%
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Chicago - North American Open Championship11 Feb 2023Individual Open · Women1:40:13 PB138/195Beat 29%
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World Championships NiceDate unknownIndividual Pro · Women1:44:53655/677Beat 3%