PLEASANTON, Calif. — The Goodguys 21st Heartland Nationals will open Friday, June 29 and run through Sunday, July 1 at the Iowa State Fairgrounds in Des Moines. Gates are open from 8 a.m.-5 p.m. Friday, 8 a.m.-8 p.m. on Saturday, and 8 a.m.-3 p.m. Sunday. General admission for spectators is $18 daily, kids (7-12) $6, 6 and under free. Spectator parking is free. For more visit www.good-guys.com or call Goodguys at (925) 838-9876. To purchase spectator tickets for the event online, go to www.good-guys.com.