#22-Sam Hornish, Jr. was fastest during opening practice at Iowa Speedway with a speed of 127.422mph.
The rest of the top 10: #7-Justin Allgaier, #20-Ryan Preece, #9-William Byron, #60-Ty Majeski, #18-Kyle Benjamin, #1-Elliott Sadler, #00-Cole Custer and #3-Brian Scott.
All 41 drivers practiced during the session.
See complete results on the Iowa practice 1 speeds page (pdf).
