PRACTICE #1

MICHIGAN INTERNATIONAL SPEEDWAY

08-13-2017 | Pure Michigan 400 | Race #23

Ryan Blaney has the fastest practice speed during practice 1 of 203.591 mph for the 2017 NASCAR Cup Series Pure Michigan 400 at Michigan International Speedway.

The practice speeds table shows the fastest lap during practices.

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CRUNCHING DATA

There were no 10-lap consecutive averages for practice #1