The race, in three figures
The race, in words
Erin Genova won the 45–49 age group at Boston 2025 in 1:12:49, first of 86.
Legs and stations told different stories: 99% of the field beaten on the runs, 74% on the stations. The race faded late: the second half went 1:10 worse against the middle of the field than the first. Time in the roxzone, 4:07, was faster than 99% of the field.
Boston ran fast: the 670 athletes who also raced elsewhere this season were about 2:20 quicker here than at their other races.
Eight blocks
Bar = field beaten · tick = median
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Block 01 9:44Running 1 4:52v median −1:45
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Block 02 5:58Running 2 3:53v median −1:36
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Block 03 9:28Running 3 3:50v median −1:56
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Block 04 9:30Running 4 3:45v median −2:04
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Block 05 8:42Running 5 3:54v median −2:01
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Block 06 5:57Running 6 3:56v median −1:52
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Block 07 8:48Running 7 3:51v median −1:51
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Block 08 10:42Running 8 4:18v median −2:03
Roxzone, per block
Approach · Exit 4:07
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.