Distance(cm) Elevation(cm) 0 12.7 2.5 12.4 5 12.2 7.5 12.1 10 11.7 12.5 12.1 15 12.4 17.5 12.2 20 12.5 22.5 12 25 12.4 27.5 12.1 30 11.8 32.5 12.2 35 11.8 37.5 11.5 40 11.2 42.5 11 45 11.4 47.5 11.4 50 11.7 52.5 11.5 55 11.2 57.5 11.2 60 11.2 62.5 11 65 11.9 67.5 12 70 12.6 72.5 11.8 75 12.7 77.5 12.9 80 13 82.5 12.9 85 12.7 87.5 12.4 90 12.4 92.5 13.1 95 12.4 97.5 12.4 100 13