#98-David Ragan was fastest during opening practice at Indianapolis Motor Speedway with a speed of 181.043mph. #3-Ty Dillon was second, followed by:#31-Dylan Kwasniewski, #62-Brendan Gaughan, #33-Paul Menard, #54-Kyle Busch, #22-Joey Logano, #7-Reagan Smith, #5-Kevin Harvick, and #42-Kyle Larson. 41 drivers practiced during the session. See complete results on the Indianapolis practice 1 speeds page (pdf).
