Progress against the field
Between Chicago 2022 and Chicago 2025, Jazmine Constantino pulled 10:32 ahead of the field.
The clock says 17:47 faster, but the races themselves got 7:15 quicker for everyone.
644 days between Chicago - North American Open Championship 2023 and Chicago Navy Pier 2024 is the longest gap compared here, and the second race was 10:47 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
7 races · 6 events
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Houston26 Mar 2026Doubles Pro · Women1:08:14 PB31/359Beat 91%
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Chicago14 Nov 2025Relay · Women1:05:311/80Beat 99%
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Chicago14 Nov 2025Individual Open · Women1:15:42 PB77/1127Beat 93%
↑ 363 days after Chicago Navy Pier 2024 1:03 better than the field Why ↓Close ↑
1:03 better than the field: 4:27 faster on the clock, against 3:24 faster for everyone.
The fieldCompare these two →3:24 faster This athlete4:27 faster -
Las Vegas1 Feb 2025Doubles Open · Women1:11:25 PB25/380Beat 93%
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Chicago Navy Pier16 Nov 2024Individual Open · Women1:20:0988/599Beat 85%
↑ 644 days after Chicago - North American Open Championship 2023 10:47 better than the field Why ↓Close ↑
10:55 faster on the clock, and the race was 0:08 faster for everyone, so 10:47 of it was this athlete.
The fieldCompare these two →0:08 faster This athlete10:55 faster -
Chicago - North American Open Championship11 Feb 2023Individual Open · Women1:31:0496/195Beat 51%
↑ 98 days after Chicago 2022 1:18 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:25 faster on the clock looks better than it was: the race was 3:43 faster for everyone, which leaves this 1:18 behind the field.
The fieldCompare these two →3:43 faster This athlete2:25 faster -
Chicago5 Nov 2022Individual Open · Women1:33:2978/156Beat 50%