Keira D'Amato, 37, breaks American women's marathon record in Houston | CBS Sports Headlines Keira D'Amato, 37, breaks American women's marathon record in Houston ‘I’ve only been running professionally for about a year and a half. I don’t know what to say,’ D’Amato said of the feat ESN FeedsThis post … Continue reading Keira D'Amato, 37, breaks American women's marathon record in Houston