Training programs and training science for runners and joggers of all abilities to successfully complete or race the half-marathon, which is more popular than the marathon. Types of training to prepare yourself for the half marathon. Training programs at 25 to 60 miles per week, for Runners, walkers and joggers, Injury prevention tips, Motivation, Stretching, 19 health benefits from exercise, 40 pages on Cross-training, and Training to race the 30K or 20 miles.