#11-Blake Koch was fastest during opening practice at Richmond with a speed of 122.912mph.
The rest of the top 10: #9-William Byron, #33-Brandon Jones, #88-Dale Earnhardt, Jr., #16-Ryan Reed, #22-Brad Keselowski, #00-Cole Custer, #3-Ty Dillon, #23-Spencer Gallagher, and #48-Brennan Poole.
All 41 drivers practiced during the session.
See complete results on the Richmond practice 1 speeds page (pdf).
