Event

Mainstreet Show Down

The Mainstreet Show Down is part of Dunkerton Days, showcasing the top 50 best of show. Registration is from 3 PM to 6 PM, with awards presented at 8 PM. The event features live music, fireworks, food, and drinks. The event takes place on Main Street. Date: July 17, 2026. Type: Car Show (Judged) State: Iowa