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.
U.S. Route 385 City, which passes by the Crazy Horse Memorial, now being carved in the Black Hills. This segment of US 385 is also a part of the George Hearst Memorial Highway. U.S. Route 385 U.S. Route 385 is a spur of U.S. Route 85 that runs for 1,206 miles (1,941 km) from Deadwood, South Dakota to Big Bend National Park in Texas. US 385 is designated as a part of the La Entrada al Pacifico trade corridor from Interstate 10 in Fort Stockton to Interstate 20 in Odessa. The section from Fort Stockton to McCamey is concurrent to US 67. From