Competitors charge through the starting line of the 20th annual World Famous Mud Run here June 1. Several obstacles were incorporated into the 10K, which started at Lake O’Neil, and took the runners through training areas 26 and 27 of the base. - Competitors charge through the starting line of the 20th annual World Famous Mud Run here June 1. Several obstacles were incorporated into the 10K, which started at Lake O’Neil, and took the runners through training areas 26 and 27 of the base.