The race, in three figures
The race, in words
A top 10% finish for JK Costello at Chicago 2025: 1:07:15, 35th of 1,621 men in the Open division.
The wall balls were the standout, 3:10 quicker than the median and 59th of 1,621. Stronger after halfway: 2:01 better against the middle of the field than before it. Time in the roxzone, 4:16, was faster than 97% of the field.
Eight blocks
Bar = field beaten · tick = median
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Block 01 7:30Running 1 3:24v median −0:31
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Block 02 6:07Running 2 4:16v median −1:02
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Block 03 7:49Running 3 4:29v median −1:11
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Block 04 8:16Running 4 4:32v median −1:15
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Block 05 8:54Running 5 4:35v median −1:23
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Block 06 6:21Running 6 4:29v median −1:20
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Block 07 8:34Running 7 4:24v median −1:25
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Block 08 9:36Running 8 5:09v median −1:41
Roxzone, per block
Approach · Exit 4:16
Against the middle of your field
Men · n = 1612
A pace, not a person: at every mat, the middle of the 1,612 men who finished.