Stop running your easy days too hard and your hard days too easy. Most Sailors prep for the PRT with "junk volume"—sprinting daily. This causes shin splints and plateaued times. Built by a 21-year veteran, this 12-week plan uses the 80/20 Endurance methodology: 80% easy aerobic base-building (Zone 2) and 20% math-driven VO2 Max intervals to raise your physiological ceiling and safely max your score. What It Delivers: • Exact Zones: A baseline test establishes your precise HR/pace zones. • ...