Progress against the field
From Chicago 2022 to Chicago - North American Open Championship 2023, the field gained 11:57 on corey koelsch.
The clock says 7:40 slower, but the races themselves got 4:17 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
7 races · 5 events
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Chicago14 Nov 2025Relay · Men1:11:0212/52Beat 77%
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Chicago14 Nov 2025Doubles Pro · Men1:19:39 PB190/284Beat 33%
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Chicago Navy Pier16 Nov 2024Doubles Open · Men1:12:25 PB103/270Beat 62%
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Chicago Navy Pier16 Nov 2024Individual Pro · Men1:44:31184/199Beat 8%
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Chicago - North American Open Championship11 Feb 2023Individual Open · Men1:33:52208/354Beat 41%
↑ 98 days after Chicago 2022 11:57 worse than the field Why ↓Close ↑
7:40 slower on the clock in a race that was 4:17 faster for everyone: 11:57 lost to the field.
The fieldCompare these two →4:17 faster This athlete7:40 slower -
Chicago5 Nov 2022Individual Open · Men1:26:12 PB75/233Beat 68%
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Las Vegas14 May 2022Individual Pro · Men1:32:12 PB206/263Beat 22%