Kaillie Humphries on Monday became the first woman to win Olympic bobsleigh medals at four Games, a feat matched by fellow US athlete Elana Meyers Taylor, who took home the silver in the inaugural women’s Olympic monobob. World champion Humphries, who won two golds and a bronze for Canada but now competes for the United States, claimed a track record in the first run en route to the overnight lead Sunday in the inaugural monobob competition. Humphries held a massive lead of 1.55 seconds over Canadian Christine de Bruin before the fourth and final heat, and 1.73 seconds over Meyers Taylor. Meye…