Nike Run Club is a free mobile app designed to help runners of all levels improve their performance and stay motivated. It offers features like guided runs, personalized coaching plans, and tracking tools to monitor distance, pace, and progress. Users can also join challenges and connect with a community of fellow runners. The app includes audio-guided runs led by professional coaches and athletes, making it easy for users to follow along. Additionally, Nike Run Club integrates with other fitness apps and devices, allowing for seamless tracking of workouts and achievements.