Prepare for the Half Distance Triathlon Puerto Rico in San Juan with a 24-week Half Distance Triathlon Training Plan designed specifically for experienced senior triathletes age 60 and over. The program combines endurance, strength, speed, recovery, and race-specific training for the demands of Puerto Rico’s swim, bike, and run course. From the 1.2-mile swim in Condado Lagoon to the 56-mile coastal bike and 13.1-mile run through Old San Juan, training progressively develops the fitness, ...