Blake Koch was fastest in the first of two NASCAR Xfinity Series practices this afternoon at Texas Motor Speedway.
Koch covered the 1.5-mile oval at 189.347 mph, nearly 2 mph faster than second fastest, Daniel Hemric (187.461 mph).
Kyle Larson was third (187.350), followed by Erik Jones (187.207), Ryan Blaney (187.201), Austin Dillon (186.851), Ty Dillon (186.670), Elliott Sadler (186.316), Christopher Bell (186.258) and Matt Tifft (186.079).
The second practice session takes place at 5 to 5:55 p.m. ET on the NBC Sports App.
Click here for the first practice speed grid.