Ready to take on the Half Distance Puerto Rico Triathlon? This 44-week training plan is designed specifically for master triathletes over 40, helping you build strength, endurance, and race-day confidence. Why This Plan Works for You ✅ Designed for Athletes Over 40: Tailored to meet the needs of master triathletes, this plan ensures gradual progression, injury prevention, and peak performance. ✅ No Prior Endurance Experience Needed: Start with a 12-week base phase to build foundational ...