Overview
- A lap-one multi-rider crash brought an immediate red flag and forced a restart of the 450 Main Event.
- Justin Barcia was conscious and transferred to a local medical center after the incident, while Malcolm Stewart received treatment in the on-site medical unit.
- Eli Tomac led every lap after the restart for his 54th career victory, finishing 1.4 seconds ahead of Ken Roczen to take the early points lead.
- Jorge Prado finished third but was docked three championship points for a failed post-race sound test, retaining his podium position.
- Defending champion Cooper Webb crashed twice and finished seventh, Chase Sexton struggled in his Kawasaki debut, and Max Anstie won the 250 class to become the oldest 250SMX winner.