#18-Kyle Benjamin was fastest during opening practice at Iowa Speedway with a speed of 131.436mph.
The rest of the top 10: #19-Matt Tifft, #33-Brandon Jones, #22-Sam Hornish, Jr., #42-Tyler Reddick, #23-Spencer Gallagher, #7-Justin Allgaier, #21-Daniel Hemric, #20-Christopher Bell, and #2-Ben Kennedy.
38 drivers practiced during the session.
See complete results on the Iowa practice 1 speeds page (pdf).
