Looking for good people to fill our vendor and swap meet spots. Maquoketa Motor Madness Is Coming!! Mark Your Schedules!!! June 25th & 26th, 2016! 30 miles north of Davenport, 25 miles south of Dubuque. 1 Day Pass – $10.00 Weekend Pass – $15.00 Children Under 12 – FREE Diamond Gold Silver Bronze Tin Friends Lawnmower Races!