for the Pure Michigan 400 Sprint Cup Series race at Michigan International Speedway is over, after 110 scheduled minutes, the top five, slowest and notes:
#5-Martin 187.642
#18-Busch 187.417
#48-Johnson 187.407
#16-Biffle 187.393
#24-Gordon 187.246
slowest: #60-Skinner 179.789 & #87-Nemechek/Yeley 179.820
J.J. Yeley also practiced the #87 car as Nemechek is in Montreal for the Nationwide race.
See fastest speeds, best average speeds, most laps run on the Michigan Practice Speeds Page.(8-20-2011)
