Marathon Trainer Run Tracker is a premium race preparation app designed for iPhone users. Developed by SportMe Unlimited Inc., this app offers training plans for various race distances, including 5K, 10K, half marathon, and full marathon.

Using smart technology, Marathon Trainer generates customized training plans based on your running habits and physical fitness. The app provides GPS tracking for outdoor running and accelerometer tracking for treadmill running. With each logged run, Marathon Trainer analyzes your progress and makes adjustments to your training plan accordingly.

One of the standout features of this app is the access to live running coaches through the trainer chat. Users can chat with coaches to get tips, answers, and guidance. Additionally, the app offers weekly plan progress updates, inspirational running content, and speed/pace strategies to help you improve your performance.

With an intuitive interface and comprehensive features, Marathon Trainer is a top choice for runners looking to train for marathons, half marathons, 5Ks, and 10Ks. It is important to note that the app requires a monthly subscription of $7.99, which supports the live running coaches. However, users can get started with a one-week free trial to experience the app before committing to the subscription.