Half Distance Ruidoso Triathlon — A Plan Built for Senior Triathletes 60+ This structured 24-week Half Distance Triathlon Training Plan, designed specifically for athletes aged 60 and older, prepares your body and mind for every demand of this unique race. ✅ Swim Readiness for Altitude and Open Water Grindstone Lake’s clear, cool waters at elevation require efficiency and control. Open water-focused sessions and video-supported swim drills build aerobic capacity and stroke mechanics for a ...