Distance(cm) Elevation(cm) 0 13.8 2.5 12.8 5 12.7 7.5 12.8 10 12.8 12.5 12.8 15 12.6 17.5 13.2 20 13.5 22.5 13 25 12.3 27.5 13.5 30 13.8 32.5 13.7 35 13.7 37.5 14.6 40 14.4 42.5 14.3 45 15.1 47.5 13.7 50 12.9 52.5 12.9 55 12.7 57.5 14 60 13.6 62.5 13 65 12.7 67.5 13.2 70 13.2 72.5 14.8 75 13.5 77.5 13.6 80 13.6 82.5 12.9 85 13.4 87.5 13.3 90 13.6 92.5 12.8 95 12.8 97.5 13.3 100 13.6