Countdown

221 days until Maple City Grand Prix 2015.

Welcome to Maple City Grand Prix

Maple City Grand Prix May 29 - 31, 2015

Watch the world's fastest tunnel boats as they handle right and left turns, switching directions on a dime and reaching speeds over 100 miles per hour in the 3rd Annual Maple City Grand Prix on Stone Lake, LaPorte, Indiana.

The Maple City Grand Prix will feature 3 days of racing, VIP racer parties, food, drinks, bands on the beach, fun for kids, a boat parade and block party in downtown. Plus, free parking and shuttle from Truesdell Ave and the LaPorte County Fairgrounds.