Progress against the field
Jeff Delgado has dropped 3:10 behind the field from Boston 2025 to Chicago 2025.
Over the same races everyone got 1:14 quicker, so 1:56 slower on the clock looks better than it was.
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
5 races · 5 events
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Chicago14 Nov 2025Individual Open · Men1:41:461145/1621Beat 29%
↑ 49 days after Boston 2025 3:10 worse than the field Why ↓Close ↑
3:10 behind the field: 1:56 slower on the clock, against 1:14 faster for everyone.
The fieldCompare these two →1:14 faster This athlete1:56 slower -
Boston26 Sep 2025Individual Open · Men1:39:501056/1463Beat 28%
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Chicago11 Nov 2023Individual Open · Men1:37:23 PB323/469Beat 31%
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Anaheim22 Apr 2023Individual Open · Men1:51:37239/294Beat 19%
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Chicago - North American Open Championship11 Feb 2023Individual Open · Men1:50:03299/354Beat 16%