Designed for athletes targeting the Long Distance Triathlon in Jacksonville, Florida, this 36-week plan builds the endurance, strength, and speed required to excel across the St. Johns River swim, the fast city-center bike leg, and the scenic two-loop run through Jacksonville’s urban core. Structured with scientific precision and real-world race demands in mind, it ensures you’re ready for every challenge this fast, flat, and vibrant course delivers. 🏊‍♂️ SWIM PREPARATION: ST. JOHNS RIVER ...