The standard track and field is a semi-circular 400-meter runway. When the radius of the inner curve is 36m, the length of the two curves is 228.08m, and the length of the two straight curves is171.92m. When the radius of the inner curve is 37.898m, the length of the two curves is 240m, and the length of the two straight curves is 160m ... Protruding edges should be built on the inner edge of the runway, and the width should not be less than.
Runway requirements
The requirement of the new national standard is that the width of each lane of the new national standard plastic track is1.22m. If the width of the venue is relatively narrow, it can also be1.0-1.2m. Maintenance of the plastic track: after the plastic track is laid, the service time is 7- 10 days.
Under the condition of certain drainage facilities, the plastic runway is suitable for all-weather use. Plastic track is used for athletes' training, competition and students' sports and fitness, but not for other purposes. The rubber runway should avoid the pollution of harmful substances and severe mechanical impact and friction, and vehicles are not allowed to drive on the runway and pile up heavy objects and sharp objects.