Improve your endurance, build muscle, and get stronger with the 8-week Hybrid Athlete Challenge. Each week will consist of 6 workouts, including running, weight training, and bodyweight movements. This challenge will officially begin on July 31st, and a new week of workouts will go live in the app the Sunday before the new week starts. This challenge is an opportunity to improve your health, fitness, body composition, and confidence. If you want to learn how to balance strength training and running, become a hybrid athlete, and follow a disciplined training program, these eight weeks are for you. Go One More.