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.
Valencia Half Marathon Valencia Half Marathon The Valencia Half Marathon () is an annual road running event over the half marathon distance (21.1 km or 13.1 miles) that takes place in the city of Valencia, Spain. It is organised by the S.D. Correcaminos Valencia sports club, which also organises the annual Valencia Marathon. The event was first held in 1991 as a race over 20 kilometres known as the "20 kilómetros Ciudad de Valencia" and this continued each May up to 2005. From 2006 onwards, the competition was extended slightly to become a half marathon. The change coincided with a growth in the