This 6-week stamina module plan is perfect for runners who find they lack stamina – that strength you need toward the end of races and hard workouts. It is also perfect for runners about to embark on a speed-oriented race plan like a mile or 5K. Build your stamina first then work on your speed for the short race. I’ll have you perform a weekly stamina workout of varying types – from cruise intervals to tempo intervals to tempo runs to steady state runs. My research shows that running a ...