Rumble in the Park takes place September 12, 2026, from 9 a.m. to 3 p.m. at Railroad Park in Fort Lupton. The car show features 30 awards across multiple classes including hot rod, muscle car, rat rod, late model, low rider, land yacht, custom, import, and three truck classes. Entry fee is $20 day of show only. Participants receive a free professional photo of their car, door prizes, and swag bags. The event includes 50/50 giveaways with additional prizes, with 100% of proceeds benefiting Blessings in a Bag. Attendees who bring a teddy bear for Children’s Hospital receive a free door prize ticket for each bear donated. The car show runs adjacent to the Tomato Festival at Trapper Days, which features vendors, food trucks, and entertainment.
