Loaded Semi Racing at the 2021 Over The Top Diesel Showdown in Onaway Speedway home to the Great Lakes Big Rig Challenge. #loadedsemidragracing #semiraces #semiracing #overthetopdieselshowdown #greatlakesbigrigchallenge #bigrigchallenge #notredamedunord #rodéoducamion #legendarybigrigracing