24 hours to do your best ! 100 miles or more? Welcome to the gateway of New England Running! The Centurion 24 Hour Ultra Trail Race will take place on Saturday, Oct 9 and 10TH, starting and ending at Noon! Go for as long as you wish: 26.2, 50K, 50M, 100K , 100 MILES or more, it's up to you. The course has rolling hills, single and double tracks, including roots and rocks, typical New England!