A track is 400 meters measured 30cm from the curb, so a path right next to the curb is 1.885 short of 400 meters. Four laps around next to the curb is 7.54 meters short of four laps around following a path 30cm from the curb. 7.54 meters equals 24.74 feet. 5280-24.74 = 5255.26 feet.