The race, in three figures
The race, in words
In the Open division at Chicago 2025, Tynneqa Jefferies crossed the line in 1:21:39: 222nd of 1,127 women, faster than 80% of the field.
The sled pull was where this race was made, 3:22 ahead of the median. A harder second half: 4:40 more lost to the middle of the field after halfway than before it.
Chicago gave the field time back: about 3:08 faster than the average race this season, by 475 athletes who raced both. Tynneqa Jefferies's fastest of 3 finishes in the Open division.
Eight blocks
Bar = field beaten · tick = median
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Block 01 8:05Running 1 3:37v median −0:41
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Block 02 7:02Running 2 5:06v median −0:41
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Block 03 7:34Running 3 5:34v median −0:29
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Block 04 12:06Running 4 5:33v median −0:35
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Block 05 10:25Running 5 5:50v median −0:25
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Block 06 8:12Running 6 5:43v median −0:27
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Block 07 10:29Running 7 5:37v median −0:31
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Block 08 12:34Running 8 6:22v median −0:35
Roxzone, per block
Approach · Exit 5:19
Against the middle of your field
Women · n = 1125
A pace, not a person: at every mat, the middle of the 1,125 women who finished.