Progress against the field
Between Chicago 2023 and Chicago 2025, Justin Collins pulled 0:36 ahead of the field.
Over the same races everyone got 3:03 quicker, so 3:39 faster on the clock looks better than it was.
371 days between Chicago 2023 and Chicago Navy Pier 2024 is the longest gap compared here, and the second race was 2:10 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
5 races · 5 events
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Washington DC3 Sep 2026Doubles Open · Men1:27:04 PB275/444Beat 38%
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Chicago14 Nov 2025Individual Open · Men1:39:011070/1621Beat 34%
↑ 363 days after Chicago Navy Pier 2024 1:34 worse than the field Why ↓Close ↑
1:34 behind the field: 1:08 slower on the clock, against 0:26 faster for everyone.
The fieldCompare these two →0:26 faster This athlete1:08 slower -
New York30 May 2025Doubles Open · Mixed1:21:36 PB362/709Beat 49%
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Chicago Navy Pier16 Nov 2024Individual Open · Men1:37:53 PB574/814Beat 30%
↑ 371 days after Chicago 2023 2:10 better than the field Why ↓Close ↑
4:47 faster on the clock, and the race was 2:37 faster for everyone, so 2:10 of it was this athlete.
The fieldCompare these two →2:37 faster This athlete4:47 faster -
Chicago11 Nov 2023Individual Open · Men1:42:40359/469Beat 24%