Margaret Okayo, Kenyan runner

Margaret Okayo is a professional Kenyan marathon runner. She has won four World Marathon Majors with victories in the New York City Marathon, the Boston Marathon and the London Marathon, setting three course records. Okayo's 2003 New York course record of 2:22:31 still stands today, 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.

May 30 is the 150th day of the year in the Gregorian calendar; 215 days remain until the end of the year.