For a horse marathon is a challenging exercise. To participate in the competition, training is very important. The training time is really up to your current level of fitness, running experience, and race goals. Experienced runners who have already run the marathon may be ready for the game in 12 weeks. But if you want to break a personal record, you may need to train for a few more weeks. Novice should slowly increase the distance, according to the starting point, take 18-2...