Progress against the field
From Chicago 2022 to Chicago - North American Open Championship 2023, the field gained 2:56 on Steve Ferrah and Mark Rusch.
The clock says 0:48 slower, but the races themselves got 2:08 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
3 races · 3 events
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Chicago14 Nov 2025Doubles Open · Men1:08:58 PB150/905Beat 83%
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Chicago - North American Open Championship11 Feb 2023Doubles Open · Men1:10:4839/90Beat 57%
↑ 98 days after Chicago 2022, with Mark Rusch 2:56 worse than the field Why ↓Close ↑
2:56 behind the field: 0:48 slower on the clock, against 2:08 faster for everyone.
The fieldCompare these two →2:08 faster This pair0:48 slower -
Chicago5 Nov 2022Doubles Open · Men1:10:0025/72Beat 65%