The race, in three figures
The race, in words
Heather Collins finished 971st of 1,290 women in the Open division at Boston 2025, in 1:49:24.
The sled pull cost the most time: 2:10 slower than the median. Stronger after halfway: 1:55 better against the middle of the field than before it.
Boston gave the field time back: about 2:20 faster than the average race this season, by 670 athletes who raced both.
Eight blocks
Bar = field beaten · tick = median
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Block 01 13:34Running 1 8:05v median +1:28
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Block 02 9:53Running 2 6:18v median +0:49
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Block 03 14:38Running 3 6:19v median +0:33
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Block 04 14:08Running 4 6:18v median +0:29
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Block 05 12:15Running 5 6:15v median +0:20
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Block 06 8:47Running 6 6:22v median +0:34
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Block 07 11:56Running 7 6:23v median +0:41
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Block 08 15:45Running 8 6:56v median +0:35
Roxzone, per block
Approach · Exit 8:35
Against the middle of your field
Women · n = 1268
A pace, not a person: at every mat, the middle of the 1,268 women who finished.