The Detroit Free Press Marathon is back with its 45th annual Race Weekend, and this year, they have an official mobile app to enhance the experience. Developed by Dilltree Inc, the app is available for iPhone users and is completely free.

With the Detroit Free Press Marathon app, you can track race participants live on both Saturday and Sunday. Stay updated with real-time information about the course, Health & Fitness Expo, and other important details for this year's event.

Whether you are a participant or a spectator, this app is a must-have for the Detroit Free Press Marathon Race Weekend. Join in the excitement as the race returns to the international stage, running through the vibrant cities of Detroit and Windsor.

Download the Detroit Free Press Marathon app now and make the most of this thrilling race weekend!