This Plan is designed for runners that are focused on racing the Half Marathon-Ultra Distance. This plan is perfect for transitioning into after a base plan. This 6-week hill module plan is perfect for when you have a few weeks before your race plan starts or want/need to get better at running hills. Use it to develop bettter hill running technique and to build your aerobic capacity (VO2max), leg strength and lactic acid tolerance. Before starting, you should be able to run 45-60 minutes on ...