Endurance is an innovative AI-based training diary and workout tracker designed for endurance athletes, including runners. It utilizes machine learning to create personalized workout plans that adapt in real-time based on an individual’s health and fitness data. By analyzing workout history stored in Apple Health, it builds a comprehensive model of the user's fitness, training load, and recovery, much like a personal coach would. Additionally, users can input their race goals, allowing the app to optimize training schedules to ensure peak performance on race day.

Available for both iPhone and Apple Watch, Endurance provides a robust platform for tracking workouts, analyzing performance data, and monitoring progress. It offers features such as race time predictions and detailed workout records, making it suitable for all levels of endurance athletes from casual joggers to seasoned trainers. With a focus on data-driven insights, Endurance aims to enhance training efficiency and effectiveness.