By strengthening your body in a few different areas you can really get a better overall fitness that can help you in whatever endeavor you undertake. Balance is key, it doesn’t matter how much power you can muster if it’s put in the wrong direction and you end up on your hind end. Grip is important for obstacle races in order to keep you up and over instead of in the mud. Core strength and endurance can help keep you going during the long hard sections.
MuckFestMS.com has put together some fun 5K training ideas in this infographic.