Regular Classes weekly UMP Late Models, UMP Modifieds, B-Modifieds, UMP Crate Late Models, TCS Street Stocks (UMP Factory Stocks). Inside Race Track runs Micros/Go-Karts/Outlaw Karts/Jr. Sprints. Quarter Midget Track – Is a separate track on the outside of the Big Track – MSLQMRA Tri City Jr Speedway – Website: MSLQMRA.com