​Dylan Julien and Elliot Cox each took a win in the Williams Racing Engines Yamaha Rookie category. Julien broke up the season-long win streak for Cox, earning the top step in Saturday’s main event. Cox was the top qualifier and Prefinal winner. He led the first two laps of the main event until Julien took over the position on lap three, never looking back for his first victory of the season. Charlie Kremer was second with Cox, after slipping outside the top-five early, fought back to third ahead of Kasey Williams and Pierce Sonderup. Cox scored his seventh victory on the season Sunday with a sweep of the round, capped off by a seven-second advantage in the main event. Kremer was able to secure the second spot in a great finish, holding off Julien, Sonderup and Christian Miles.