In the 250 Class, Yamalube/Star Racing Yamaha's Cooper Webb kicked off the first moto of the day by grabbing the holeshot ahead of his teammate and defending champion Jeremy Martin, last year's winner at Thunder Valley. GEICO Honda's Jordon Smith slotted into third, followed by the Yamalube/Star Racing Yamaha duo of Aaron Plessinger and Alex Martin, the points leader. A battle for the lead started quickly between Webb and Jeremy Martin, but Webb was able to withstand the early pressure. As they battled, Plessinger moved into third and closed in on the lead tandem, with Alex Martin following into fourth. However, Plessinger went down on Lap 2 and collected Martin, who was running right behind him. Plessinger was able to remount quickly and reentered the race in ninth, while Martin dropped outside the top 20 into 25th place.