Kyle Busch paced a majority of the opening practice session for the Nationwide Series at Charlotte Motor Speedway. However, late in the one-hour session, Trevor Bayne put his No. 6 Roush Fenway Racing Ford atop the practice chart with a speed of 180.856 mph (29.858 sec.). Bayne ran the fourth most laps (26) of the session. Including a fast single lap, Bayne also had the best 10-lap average amongst the cars that ran 10 or more consecutive laps (175.165 mph). Cale Conley, who had the 20th fastest single-lap, had the second-best 10-lap average (173.146 mph).
Top 10 Practice Speeds:
1. Trevor Bayne
2. Kyle Busch
3. Ryan Blaney
4. Brad Keselowski
5. Brian Scott
6. Chris Buescher
7. Matt Kenseth
8. Chase Elliott
9. Elliott Sadler
10. Kyle Larson
Full Nationwide Series Practice Speeds