Progress against the field
Jessie Hafer has gained 3:59 on the field from Chicago 2022 to Chicago 2023.
The clock says 8:09 faster, but the races themselves got 4:10 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
6 races · 5 events
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Las Vegas20 Feb 2026Individual Open · Women1:11:56 PB38/1796Beat 98%
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Chicago14 Nov 2025Doubles Open · Women1:09:40 PB48/1539Beat 97%
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Washington - North American Championships2 Mar 2024Individual Open · Women1:15:3037/271Beat 86%
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Chicago11 Nov 2023Individual Open · Women1:15:1628/299Beat 91%
↑ 371 days after Chicago 2022 3:59 better than the field Why ↓Close ↑
3:59 better than the field: 8:09 faster on the clock, against 4:10 faster for everyone.
The fieldCompare these two →4:10 faster This athlete8:09 faster -
Chicago5 Nov 2022Individual Open · Women1:23:2533/156Beat 79%
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Chicago5 Nov 2022Relay · Mixed1:04:042/12Beat 83%