The Lucas Oil AMA Pro Motocross Championship kicks off on Saturday and riders have been putting the finishing touches on their preparation for the championship. Spencer Owens was out at State Fair MX in California on May 24 for a day of filming the “stopwatch nationals.” Check out the raw footage Owens captured of the following riders: Chase Sexton, Jo Shimoda, Seth Hammaker, Cameron McAdoo, Max Anstie, Dylan Ferrandis, Austin Forkner, Brandon Hartranft, Derek Drake, Carson Mumford, Fredrik Noren, Ty Masterpool, retired racer Jeff Emig, and amateur Talon Hawkins.