This plan is built for runners who are ready to go beyond the 10K and train for a longer race with confidence, structure, and support. Whether it’s your first time taking on 15K or you’re getting back into running after a break, this 12-week program will help you build strength, endurance, and race-day readiness—without burnout. You’ll start with a 40-minute long run and progress week by week to a 1 hour and 40-minute long run, with conversational pace runs, strength workouts, and a touch of ...