for the Pure Michigan 400 Sprint Cup Series race at Michigan International Speedway is over, after 55 scheduled minutes, the top-five, slowest and notes: #48-Johnson 199.457 (but wrecked, to a backup car, which was 18th fastest) #42-Montoya 198.758 #16-Biffle 198.725 #78-Busch 198.451 #24-Gordon 198.446 slowest: #87-Nemecehk 189.399 & #33-Cassill 192.750 no speed: #98-Sauter, #35-Wise. notes: #48-Johnson wrecked late in practice and had to pull out the backup car, with 8 minutes left in practice, Johnson was able to get the backup car out for some practice. The backup car ran the 18th fastest lap. See fastest speeds, laps run, best top-10 lap average and more on the Michigan Happy Hour Practice Speeds page (pdf) .
