The best triathlon training plan is whichever one starts where you actually are and builds at a pace your body and your schedule can absorb. Getting there means working through five questions, in this order: current fitness, experience level, weekly training capacity, race distance and goal, and only then, weeks remaining.

The Real Constraint For Masters Triathletes 40+ Isn't Time. It's Precision. Most Sprint training advice assumes you can throw hours at the problem until fitness shows up. That falls apart the moment work, family, and recovery start competing for the same limited hours.