DENVER, CO - MAY 15: Runner Heidy Lozano, of Boulder, is exuberant as she wins the women's race of the Colfax Marathon with a time of 3:10:41 during the 11th annual Colfax Half Marathon on May 15, 2016 in Denver, Colorado. Lozano is 53 years old and this is the first marathon she has ever won. Thousands of runners took part in the annual springtime race which included a marathon, a marathon relay, a half marathon and the urban 10 miler. (Photo by Helen H. Richardson/The Denver Post via Getty Images)
