ST. LOUIS -- Ryan Dungey raced to his sixth AMA Supercross victory of season Saturday night, beating Eli Tomac in the 450SX Class event at the Edward Jones Dome.
Dungey led all 20 laps en route to his 20th career 450SX victory. The KTM rider extended his season lead to 80 points over Honda's Tomac with four races left.
Husqvarna's Jason Anderson was third, followed by Honda's Cole Seely and Yamaha's Weston Peick.
KTM's Marvin Musquin raced to his fifth Eastern Regional 250SX in seven events, leading all 15 laps. He has a 20-point lead over Honda's Justin Bogle entering the series finale April 25 at MetLife Stadium in East Rutherford, New Jersey.