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
Athletics at the 1904 Summer Olympics – Men's marathon research on "purposeful dehydration," even though dehydration is potentially fatal. The marathon ended with the worst ratio of entrants to finishers (14 of 32) and by far the slowest winning time, 3:28:45, almost 30 minutes slower than the second slowest winning time. These were the standing world and Olympic records (in hours) prior to the 1904 Summer Olympics. "(*)" Distance was also 40 kilometres The first to arrive at the finish line was American runner Fred Lorz, who had actually dropped out of the race after nine miles and hitched a ride back to the stadium in a car, waving