#20-Erik Jones was fastest during opening practice at Texas Motor Speedway with a speed of 186.968mph.#3-Ty Dillon was second, followed by: #33-Brandon Jones, #19-Daniel Suarez, #48-Brennan Poole, #43-Jeb Burton, #2-Austin Dillon, #39-Ryan Sieg, #18-Kyle Busch, and #98-Aric Almirola. 36 drivers practiced during the session.
See complete results on the Texas practice 1 speeds page (pdf).
