93 days since 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, IN.

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. The races are FREE plus free parking and shuttle service is available from the LaPorte County Fairgrounds.

This year we're also bringing the race closer to you with the new Official Race App with live streaming and up-to-date action direct to your mobile device.