If you are new to marathons, then you might be intimidated by the long distance. Yes, I know that 26.2 miles is a very long distance to run, but with each passing year more and more people are taking on a marathon. If you are contemplating running in a marathon, but are still not sure that it is something that you want to commit to (you need to be fully committed if you are going to run a marathon), then perhaps the following reasons to take part in a marathon will help you make up your mind.