Distance(cm) Elevation(cm) 0 12.9 2.5 12.7 5 13.1 7.5 13.2 10 11.7 12.5 11.8 15 12.3 17.5 12.1 20 12.2 22.5 11.8 25 11.6 27.5 11.5 30 12.7 32.5 12.5 35 11.9 37.5 12.6 40 13.8 42.5 12.8 45 11.7 47.5 12.8 50 13 52.5 12.3 55 12.1 57.5 12.2 60 12.2 62.5 12.5 65 12.3 67.5 11.7 70 12.4 72.5 11.9 75 12 77.5 12.3 80 12.4 82.5 12.4 85 12.5 87.5 12 90 11.1 92.5 11.4 95 11.6 97.5 11 100 12.1