Standards 1. The standard runway length overall of 400 meters by two parallel straights and two bends composition equal to the radius. Weeding to the runway, along the inner side of the runway sudden application of a suitable material to be boundaries. Ledge about 5 cm wide and at least 5 cm. 2. Should projecting beyond the outer edge of 30 cm measured along the length of the runway at the runway. If no curbs should be measured at 20 cm beyond the outer edge of the marker line. Note: "IAAF Track and Field Facilities Manual" contains all the relevant track structure, design, technical information flag. This rule gives the basic principles that should be followed. 3.400 m and 400 m of the following track, each athlete should occupy a lane, lane width of a minimum of 1.22 meters and a maximum of 1.25 m campus plastic track, lane width of 5 cm badminton courts plastic runway, all lanes wide It should be the same. The provisions of paragraph 2 shall measure the length of said first lane and the other lane length shall be measured at 20 cm beyond the outer edge of the inside lane line. NOTE: lane width should include the right of the lane line plastic track has a certain softness. During exercise does not appear the case of accidental fall is inevitable, if it is a direct fall on the ground plastic runway, the hardness of the ground itself will give you a hard response. If using plastic track, a fall, the plastic runway softness will play its role to reduce the damage to a minimum, it is also true for children. Schools plastic runway | plastic runway Zhuhai | Camry sports provided by the Dongguan City Camry sports facilities Engineering Limited. Dongguan City Camry Sports Facilities Engineering Co., Ltd. (www.kmtyss.com) strong, credible, in Dongguan, Guangdong related products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Camry into the brilliant sports and you work for a better future!