Some Ford Mustang fans are very familiar with cross-country races, such as the Gumball and the Cannonball Rally, and this time, the Great American Run will make the trip worth it all the more. A limited-edition Cannonball Rally 600hp Saleen Mustang will be the grand prize, along with automatic enrollment in next year's event. Keep reading for all the details. </img></img></img></img></img></img>