MC Motorsports Park
11700 S Harrison
Tucson, AZ 85747
2017 Dirt Riot Southwest Series Round 2 - Tucson, AZ - May 6, 2017 . Entry Form for Racers in Pro 4400 Class, Pro 4500 Class, Pro 4600 Class, Pro UTV Class, SuperMod Trail, Mod Trail, Stock Trail and Sportsman UTV Classes.