This 50K training plan includes my tried and true, scientifically-based and proven workout sequence to give you the endurance and stamina that an ultra race demands. You'll improve your endurance with progressing long runs and boost your stamina and speed with my specialty workouts. As with all my plans, I'll have you perform several goal pace workouts so you really dial in goal pace and you’ll do simulation runs over similar terrain as your race course. Before starting, you should be able to ...