Earlier today, runners were determined to grab a guaranteed entry to the 43rd Marine Corps Marathon (MCM). MCM Rush Registration successfully registered runners ages fourteen to eighty-one from all fifty states, D.C. and thirty-four countries. Fifty-three percent of registered marathoners are female while forty-seven percent are male. The first female runner to register was Carol Acosta from Stafford, Virginia, and the first male runner was Jacob Chafik from Sioux Falls, South Dakota.