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The St. Mary’s Roseville Car Show will take place on Saturday, August 29, 2026, in Marble Rock, Iowa. Registration runs from 8 to 11 a.m. Event judging will happen between 11 a.m. and 2 p.m., with awards following at 2 p.m. The event welcomes cars, trucks, motorcycles, and tractors. Entry is free for spectators and the show will be held rain or shine.
Participants and spectators can vote for awards including Best of Show, Father’s Choice, People’s Choice, Best Mopar, Best Ford, Best GM, Best Truck, Best Convertible, Best Street Rod, Best Engine, Best Motorcycle, Best Tractor, Top 20 Awards, Top 3 Tractors, and the Long Haul Award.
Air-conditioned facilities will be available, along with hot breakfast and lunch, homemade ice cream, fresh popcorn, and a bake sale.
