Distance(cm) Elevation(cm) 0 12.1 2.5 11.7 5 12.4 7.5 11.5 10 11.2 12.5 11.4 15 12.9 17.5 12.7 20 12.5 22.5 11.9 25 12.6 27.5 12.5 30 11.4 32.5 12.3 35 12.1 37.5 12.2 40 11.9 42.5 11.8 45 12.4 47.5 12.5 50 12 52.5 12.8 55 12.7 57.5 12.8 60 12.8 62.5 13.3 65 11.9 67.5 12.1 70 12.8 72.5 12 75 12.1 77.5 12.4 80 11.7 82.5 11.8 85 11.7 87.5 12.1 90 12.2 92.5 12.5 95 12.1 97.5 12.3 100 12.7