Distance(cm) Elevation(cm) 0 10.8 2.5 11 5 11.5 7.5 11.6 10 11.7 12.5 11.6 15 12 17.5 11.7 20 11.4 22.5 11.6 25 11.4 27.5 11.2 30 10.8 32.5 11.1 35 11.2 37.5 11.4 40 11.5 42.5 12.3 45 12.6 47.5 12.3 50 11.7 52.5 13.1 55 12.3 57.5 12.1 60 12.3 62.5 11.8 65 12.5 67.5 12.8 70 12.2 72.5 12.7 75 13 77.5 13 80 13 82.5 12.9 85 13.1 87.5 12.9 90 12.6 92.5 12.2 95 12.2 97.5 12.6 100 12.2