Celebrate Independence Day with Goodguys at the 29th Speedway Motors Heartland Nationals presented by BASF, July 3-5! One of the most popular Goodguys parties of the year, this “Mid-Summer Classic” will showcase over 4,500 1987 & older hot rods, customs, muscle cars, trucks and classics on display throughout the historic Iowa State Fairgrounds! Plus, you don’t want to miss the exciting AutoCross timed racing competition, Nitro Thunderfest Dragster Exhibition, Burnout competition, 4th of July Fireworks Extravaganza, Swap Meet & Cars 4 Sale Corral, huge vendor midway and commercial exhibits, a FREE Kids Zone and so much more!