QUANTICO, VA (March 31, 2014) – In a celebration of fitness, running and community, Olympian Lauryn Williams will assist the U.S. Marines in launching thousands of runners at the Marine Corps Historic Half on Sunday, May 18 in Fredericksburg, VA. Fresh off her silver medal win with Team USA in Sochi, Russia, the Olympic bobsledder and Olympic sprinter is sure to motivate Historic Half runners with her impressive accomplishments and world-record status during Historic Half Wee