He broke the tape in the 26.2-mile course with a personal best time of 2:09:15.
Keflezighi emigrated in 1987 to San Diego, California. One of 11 children, Keflezighi fled with his family from war-ridden Eritrea during its bloody conflict with Ethiopia. He became a U.S. citizen in 1998.
He won a silver medal at the 2004 Olympics and was the runner-up in the New York marathon that year.