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
Hot lap Hot lap Hot lap is a term that is associated with some sports. Hot-lapping typically refers to a motorsport in which vehicles are driven around a race track without actually competing for a position or any other recording of performance. Multiple vehicles will typically be on the track, but no passing is allowed, nor any contact. Even though the main purpose is not competitively oriented, many clubs will record lap times, so drivers can measure improvement. Cars may be classified for different levels of performance potential, in order that similarly capable cars and drivers are on the track together. However,