A service member running the 42nd Marine Corps Marathon Forward approaches the 10-mile mark of the 26.2-mile race while deployed in the Middle East Oct. 22, 2017. The Marine Corps Marathon Forward gave Marines deployed with Special Purpose Marine Air-Ground Task Force – Crisis Response – Central Command the opportunity to run the ‘Peoples Marathon’ while far from home. The Marine Corps Marathon is one of the largest marathons in the world and hosts the event in forward locations to allow service members outside the United States an opportunity to compete. - A service member running the 42nd Marine Corps Marathon Forward approaches the 10-mile mark of the 26.2-mile race while deployed in the Middle East Oct. 22, 2017. The Marine Corps Marathon Forward gave Marines deployed with Special Purpose Marine Air-Ground Task Force – Crisis Response – Central Command the opportunity to run the ‘Peoples Marathon’ while far from home. The Marine Corps Marathon is one of the largest marathons in the world and hosts the event in forward locations to allow service members outside the United States an opportunity to compete.