The race, in three figures
The race, in words
In the Doubles Open division at Chicago 2025, Kalia Butler & Sydney Supple crossed the line in 1:18:39: 297th of 1,539 women's teams, faster than 81% of the field.
Nowhere gained more than the sled pull: 0:58 on the median. A harder second half: 1:06 more lost to the middle of the field after halfway than before it. Time in the roxzone, 5:18, was faster than 86% of the field.
This was a slow day in Chicago. Measured against their other races this season, the people who raced here lost about 1:16.
Eight blocks
Bar = field beaten · tick = median
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Block 01 8:49Running 1 4:14v median −0:35
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Block 02 6:54Running 2 5:40v median −0:41
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Block 03 8:58Running 3 5:49v median −0:47
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Block 04 9:35Running 4 5:53v median −0:48
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Block 05 10:56Running 5 6:11v median −0:40
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Block 06 7:48Running 6 6:10v median −0:37
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Block 07 9:23Running 7 6:10v median −0:36
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Block 08 11:06Running 8 6:37v median −0:49
Roxzone, per block
Approach · Exit 5:18
Against the middle of your field
Women · n = 1532
A pace, not a person: at every mat, the middle of the 1,532 women's teams who finished.