Long-distance running confined area. Early tracks were usually on flattened earth or were simply marked areas of grass. The style of running tracks became refined during the 20th century: the oval running tracks were standardised to 400 metres in distance and cinder tracks were replaced by synthetic all-weather running track of asphalt and rubber from the mid-1960s onwards. It was not until the 1912 Stockholm Olympics that the standard long-distance track events of 5000 metres and 10,000 metres were introduced. Long-distance road running competitions are mainly conducted on courses of paved or tarmac roads, although major events often finish on the track
Short track speed skating at the 2014 Winter Olympics – Women's 1500 metres Short track speed skating at the 2014 Winter Olympics – Women's 1500 metres The women's 1500 metres in short track speed skating at the 2014 Winter Olympics was held on 15 February 2014 at the Iceberg Skating Palace in Sochi, Russia. The qualifying heats, semifinal and the final were held on 15 February. The defending Olympic Champion is Zhou Yang of China, while the defending World Champion is Park Seung-hi of South Korea. Countries were assigned quotas using a combination of the four special Olympic Qualification classifications that were held at two world cups in November 2013. A nation may