TrailCast™ predicts mountain biking trail conditions based on weather and trail soil composition. Follow trails that you ride and be able to choose the best day to ride. Machine learning also helps to optimize your conditions as users log their own trail conditions and trail reports. TrailCast™ also allows users to report trail busyness, log comments, and help preserve the mountain biking community. View our terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.