This 24-week Long Distance Triathlon Training Plan is purpose-built to prepare Senior Triathletes 60+ for the unique demands of the Jacksonville Long Distance Triathlon — a race defined by a fast downriver swim, a lightning-quick flat bike course, and a dynamic, scenic marathon through the city’s heart. Designed around science-based progression, heart-rate precision, and senior-specific conditioning, it gives you the tools to perform confidently from start to finish. 🏊‍♂️ Swim Preparedness – ...