If you are an experienced triathlete over 60 preparing for the Half Distance Triathlon San Juan Argentina, this 24-week plan is built to help you arrive fit, durable, and ready to race the course rather than simply complete the distance. The swim at Punta Negra Dam is 1.9 km in clear freshwater, with temperatures around 68°F and a rolling start. Your swim training focuses on steady aerobic endurance, efficient technique, and maintaining a relaxed rhythm so you can get through the opening leg ...