Mount Clemens Grand Prix Soapbox Derby Style Race - 33rd Annual

33rd Running Grand Prix September 6, 2025 Time trials 9:00 AM The Mount Clemens Grand Prix is a soap box derby race that provides children the opportunity to race one another for local charities. Don’t miss the action as spectators are treated to this unique head to head race, Dj, Music, Pancake Breakfast at Fire House and Food Specials at the Rec Bowl. Mandatory Meeting for Car Owners. Bowling and Pizza for Drivers and Grand Prix Kids. Tuesday, September 3, 2024 6:30 pm - 8:00 pm