William Byron leads first Truck practice at Pocono

(Photo by Jerry Markland/Getty Images)

William Byron, who leads the Camping World Truck Series with four wins this season, put up the fastest practice time in the series’ first session at Pocono Raceway.

The rookie put up a top speed of 169.249 mph around the three-turn track he is making his first start at.

Byron was followed by Timothy Peters (167.196), Christopher Bell (166.676), Cameron Hayley (166.608) and Spencer Gallagher (166.352).

Speed chart

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