This 16 week training plan is geared toward the beginner to intermediate half marathon runner who will be running the half marathon distance 16 weeks from now. The plan has a balance between quality training and recovery to get you to the starting line prepared and healthy. The athlete should be able to run 1.5 miles as a long run prior to starting this plan. The plan was developed by Kim Welk, endurance coach, certified personal trainer and 5K, 10K, 15K, 1/2 marathon and marathon finisher as well as sprint, Olympic, half and full distance triathlon finisher.