This plan is for seasoned runners ready to train at a high level. If you’ve already built a strong base and want a challenging program that will push your speed, endurance, and mental toughness—this is your next step. You’ll start with a 90-minute long run and progress to a full 2-hour effort, with two weekly quality sessions and structured long runs designed to develop racing strength and stamina. This plan blends volume, variety, and precision to get you half marathon–ready with intention. ...