The 36-week Half Distance Triathlon training plan for Masters athletes over 40 is built specifically to prepare you for the demands of the Half Distance Triathlon Calgary. This structured, science-backed program gradually builds endurance, strength, and speed while respecting recovery needs unique to athletes in this age group. ✅ Base Phase (12 Weeks) builds aerobic capacity and muscular endurance—critical for managing the swim’s two-loop format and preparing for long rides with variable ...