Brad Keselowski posted the fastest lap in Friday’s opening Xfinity practice at Watkins Glen International.
Keselowski led the way with a lap of 122.200 mph. He was followed by Kyle Busch (121.586 mph), Joey Logano (121.501), Paul Menard (121.371) and Kyle Larson (120.744). The top Xfinity regular was Justin Allgaier. He was sixth with a lap of 120.607 mph.
Click here for practice speeds
Final practice for Xfinity teams will be from 2:30-3:25 p.m. ET and will be streamed online and on the NBC Sports App.