Progress against the field
Tim Grogan has dropped 3:03 behind the field from Chicago Navy Pier 2024 to Chicago 2025.
The races barely moved for everyone else, so 2:37 slower on the clock is close to the whole story.
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. The summary above covers Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
6 races · 6 events
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Chicago14 Nov 2025Individual Open · Men1:11:3596/1621Beat 94%
↑ 363 days after Chicago Navy Pier 2024 3:03 worse than the field Why ↓Close ↑
2:37 slower on the clock in a race that was 0:26 faster for everyone: 3:03 lost to the field.
The fieldCompare these two →0:26 faster This athlete2:37 slower -
Chicago Navy Pier16 Nov 2024Individual Open · Men1:08:58 PB47/814Beat 94%
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Houston16 Mar 2024Individual Open · Men1:13:2443/406Beat 89%
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Chicago11 Nov 2023Individual Open · Men1:14:2264/469Beat 86%
↑ 273 days after Chicago - North American Open Championship 2023 0:56 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:22 faster on the clock, yet the race was 3:18 faster for everyone, so 0:56 was lost on the field.
The fieldCompare these two →3:18 faster This athlete2:22 faster -
Chicago - North American Open Championship11 Feb 2023Individual Open · Men1:16:4482/354Beat 77%
↑ 98 days after Chicago 2022 1:51 better than the field Why ↓Close ↑
1:51 better than the field: 6:08 faster on the clock, against 4:17 faster for everyone.
The fieldCompare these two →4:17 faster This athlete6:08 faster -
Chicago5 Nov 2022Individual Open · Men1:22:5260/233Beat 74%