Sean O'Brian 5050 (www.sob5050.com) and also a marathon is a South California foot race run mostly on Back Bone Trail located north of LA around Malibu, CA. The race Director Keira Henninger has a reputation of organizing top notch races and this is no exception! br The 50 mile podium finishers get automatic ticket to the super bowl of ultra running, The Western States 100 miles Endurance Run. br 2014 is the inaugural year of this race, bringing out a stellar competition. Athletes from as far as Montana, Colorado lined up to test their limits. The races begins at Malibu creek State park and gains little more then 11,200 ft. br Special Thanks to all the Volunteers, forest services, all the runners who toed the start line and Bryon Powell of www.irunfar.com for covering the race.