The "FUNNEST" 5K in the Nation is coming back to Hobb's Grove on SUNDAY, November 22, 2015. Mud Factor is the misfit of mud runs, no keeping score, no first or last place, just thousands of people out playing in the mud! Organize your team and represent at this Seriously Fun, 5k Obstacle Run! Premier venues, Crazy obstacles, Kick Butt music and more...