Clarence DeMar DeMar did not return to serious competition until 1922, when he again won the Boston marathon in a course record 2:18:10. He repeated the victory in 1923 and 1924. In the latter year the full Olympic distance – 26 miles, 385 yards – was run. He was selected as one of the six runners on the U.S Olympic marathon team for the 1924 Summer Olympics, where he finished third. DeMar continued his success with a second-place finish at the 1925 Boston marathon, and a third-place finish the next year. He followed that with five consecutive marathon victories: at the Baltimore
2012 Olympic Marathon Course a new women's marathon Olympic record of , clipping 7 seconds off the previous record. The new Olympic record was 7min 42sec slower than Paula Radcliffe's world record set in 2003 during the London Marathon. The winning time of 2:08:01 by Stephen Kiprotich of Uganda in the men's marathon, on 12 August 2012, was outside the Olympic marathon record and outside the world marathon record. The winners of the Paralympic marathon events were: The 2012 Olympic route differed significantly from that of the long-established annual London Marathon. Although the Olympic route shared a finish in The Mall and a section