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
Sprint (track cycling) for the second lap; at the end of the second lap, the second rider does the same, leaving the third rider to complete the last lap on his own. In the women's event, teams of two compete over a two-lap distance. The team sprint has been an Olympic event for men since 2000 and for women since 2012. The chariot is a short, usually one lap, race. Depending on track size, between four and eight cyclists start from a standing start, and do an all out sprint for one lap. The first rider across the finish line is the winner.