If you are interested in running the half marathon then you will find this presentation very useful. Without any shadow of a doubt the half marathon is becoming one of the most popular events in the world today. For many people trying to run the full marathon is just a huge step. Taking on half of that distance at 13.1 miles is something that almost anyone can do with a little training. In 12 weeks you could be ready to run a half marathon and also raise some much needed funds for your favourite charity as well.