Garrett Mueller, the back-to-back state champion head coach at Stewartville HS (MN), reveals his innovative sprint-based training methods. He discusses the evolution from traditional coaching to a focus on speed, shorter practices, and technology integration. Mueller emphasizes the importance of metrics like the 'truck stick' to evaluate player performance and the need to manage practice loads to prevent injuries. He also highlights the positive culture of coaching and cross-sport benefits for young athletes, showcasing the community impact of his successful program.