The race, in three figures
The race, in words
1:40:06 at Boston 2025 put Chris MacDonald 1,059th of 1,463 men in the Open division.
The sandbag lunges cost the most time: 5:02 slower than the median. The race faded late: the second half went 3:17 worse against the middle of the field than the first.
Boston gave the field time back: about 2:03 faster than the average race this season, by 807 athletes who raced both.
Eight blocks
Bar = field beaten · tick = median
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Block 01 10:20Running 1 5:50v median −0:02
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Block 02 10:22Running 2 7:35v median +2:43
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Block 03 11:28Running 3 5:22v median +0:05
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Block 04 11:28Running 4 5:28v median +0:13
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Block 05 11:18Running 5 5:53v median +0:26
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Block 06 7:18Running 6 5:13v median −0:05
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Block 07 15:45Running 7 5:34v median +0:20
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Block 08 15:33Running 8 7:20v median +1:21
Roxzone, per block
Approach · Exit 6:41
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.