Breaking the 3-hour barrier requires a swift 6:51/mile pace on race day. At this level, you don't need a generalized, slow base-building routine—you should already have the fitness. You need a plan that identifies your specific physiological bottleneck: Is it aerobic power (speed) or lactate threshold (endurance)? How It Works: Once you purchase this program, you will receive a brief onboarding questionnaire asking for your current weekly mileage baseline and a recent race time (5k, 10k, or ...