Train Smart for the Half Distance Triathlon in Buenos Aires, Argentina – With a Plan Built for Masters Athletes 40+ this 36-week training plan is your strategic roadmap to success. The race’s calm, two-loop 1.9 km swim in Lago Regatas, fast 90 km flat bike along Buenos Aires Highway, and scenic 21.1 km run through Palermo's gently rolling streets demand a blend of endurance, speed, and durability—especially for athletes over 40. This plan prepares you precisely for that. ✅ Phase-Based ...