Duathlon Playbook is a comprehensive guide designed to help athletes of all levels master the sport of duathlon, which combines running and cycling in a race format. The book covers everything from foundational training principles and race-day strategies to gear selection and mental preparation. It outlines structured training plans, techniques for efficient transitions between disciplines, and tips for improving endurance, pacing, and recovery. Whether readers are preparing for their first sprint duathlon or aiming to compete at a higher level, the playbook serves as a practical resource for building strength, speed, and race-day confidence.