This plan is built for experienced runners who have a solid base and are ready to train with more structure, intensity, and purpose. Whether you’re aiming to race a strong 15K or set a new PR in the 10-mile distance, this program will challenge you with smart volume, strategic workouts, and confidence-building long runs. You’ll start with an 80-minute long run and build up to a full 2-hour effort, with two quality sessions each week—including 3 long runs with built-in speed work to sharpen ...