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 boots. In 1926 Miles's neighbours raised a few hundred dollars to send him to the Boston Marathon by train. This would be Miles's debut marathon, having never run a race longer than 10 miles. The field at the 1926 Boston Marathon included four-time winner Clarence DeMar and 1924 Olympic champion Albin Stenroos, whom Miles idolized. Miles arrived at the marathon as an unknown, competing in a handmade singlet adorned with a maple leaf and the letters "NS" for Nova Scotia and a pair of 98-cent sneakers. Stenroos attempted to break away after the first few miles, leaving DeMar behind. Miles