Margaret Okayo

Margaret Okayo (born 30 May 1976) is a professional Kenyan marathon runner.

She has won four World Marathon Majors with victories in the New York City Marathon (two times), the Boston Marathon and the London Marathon, setting three course records.

Okayo's 2003 New York course record of 2:22:31 stood until 2025, despite the challenge of some of the world’s best distance runners having the benefit of improved shoe technology. She has also won the San Diego Marathon on two occasions.