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1. The standard runway has a total length of 400 meters and should consist of two parallel straight roads and two bends with equal radius. Except for the grass runway, the inner side of the runway should be demarcated by a protrusion made of suitable materials. The protrusion is about 5 cm high and at least 5 cm wide.
2. The length of the runway should be measured 30 cm away from the inner edge of the runway. If there is no protruding edge, the measurement should be carried out 20 cm away from the outer edge of the marking line. Note: The "IAAF Track and Field Facilities Handbook" contains all technical information about the runway structure, design, and marking. This rule gives the basic principles that should be followed.
3. For track events of 400 meters and below, each athlete shall have a lane with a minimum lane width of 1.22 meters and a maximum lane width of 1.25 meters. The lane width shall be 5 cm. All lanes shall have the same width. The length of the first lane shall be measured in accordance with the provisions of paragraph 2 above, and the length of other lanes shall be measured 20 cm away from the outer edge of the inner lane.
Note: The lane width should include the laneline on the right