Cynthia Gregory, a runner in the marathon, finishes the 40th Marine Corps Marathon Oct. 25 at the Iwo Jima Memorial in Arlington, Va. Gregory finished the 26.2 miles in seven hours, seven minutes and 21 seconds and ranked 427th in her division. - Cynthia Gregory, a runner in the marathon, finishes the 40th Marine Corps Marathon Oct. 25 at the Iwo Jima Memorial in Arlington, Va. Gregory finished the 26.2 miles in seven hours, seven minutes and 21 seconds and ranked 427th in her division.