Metrication in the United States traditional mile-based lengths. In the Olympics, athletes run 1500 meters, not 1600 meters. Running races in the U.S. are usually run in metric distances (e.g., the 100 metres dash or the 5K run), although the mile distance remains popular. But even 5 and 10 kilometer races most often have mile markers on the course, and no kilometer markers. Long-distance races are often measured in kilometers, although exceptions exist (generally 10 mile races). The marathon is referred to as a 26.219-mile race (the official marathon standard distance originally being in English units — 26 miles, 385 yards) rather than 42.195 km.
Johnny Miles stayed with him until Heartbreak Hill, at which point he passed him. Miles completed the race in a time of 2:25:40. His time was so fast that the course was remeasured and found to be 176 yards short. Miles attempted to defend his title at the 1927 Boston Marathon, but dropped out early due to problems with his shoes. In 1929 Miles returned to Boston and won the marathon in a time of 2:33:08. Miles competed in two more Boston Marathons, never finishing higher than 10th. Between his two wins in Boston, Miles won the Canadian 10000 metre championship in