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. From Wikipedia
Reigning champion Sharon Lokedi will compete against a star-studded line-up including Boston Marathon victor Hellen Obiri and former marathon world-record holder Brigid Kosgei this Sunday, with ideal weather conditions predicted.
