“The 33-year-old Kipchoge, who is 5 foot 6 and weighs 115 pounds, had run 26 straight, blazingly fast, 4-minute and 38-second miles. I’ve always said of world-class marathon times like this that if I didn’t know it could be done, I wouldn’t believe it was possible to run that fast for that long.” A New World Marathon Record Almost Defies Description.