The race, in three figures
The race, in words
1:50:13 at Boston 2025 put Justin Blackson 1,232nd of 1,463 men in the Open division.
On the wall balls the field had the edge, by 2:28. The race faded late: the second half went 10:56 worse against the middle of the field than the first. 16:54 in the roxzone was slower than 99% of the field.
This was a quick course. Against their other races this season, the people who raced Boston gained about 2:03.
Eight blocks
Bar = field beaten · tick = median
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Block 01 10:08Running 1 5:47v median −0:05
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Block 02 8:10Running 2 4:42v median −0:10
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Block 03 12:19Running 3 5:34v median +0:17
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Block 04 13:33Running 4 5:42v median +0:27
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Block 05 11:03Running 5 5:48v median +0:21
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Block 06 9:05Running 6 6:12v median +0:54
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Block 07 12:56Running 7 6:14v median +1:00
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Block 08 16:15Running 8 5:54v median −0:05
Roxzone, per block
Approach · Exit 16:54
Against the middle of your field
Men · n = 1443
A pace, not a person: at every mat, the middle of the 1,443 men who finished.