Distance(cm) Elevation(cm) 0 12.5 2.5 13.1 5 11.7 7.5 11.2 10 11.6 12.5 11.8 15 12.3 17.5 11.1 20 11.5 22.5 11.2 25 12.5 27.5 12.8 30 13.1 32.5 12.6 35 12.5 37.5 12 40 12.1 42.5 11.8 45 12 47.5 14.3 50 14.1 52.5 13.7 55 13.3 57.5 13.6 60 12 62.5 11.5 65 12.2 67.5 12 70 11.6 72.5 12.3 75 13.3 77.5 12.4 80 13 82.5 12.8 85 13.1 87.5 13.3 90 13.3 92.5 13.5 95 12.7 97.5 12.3 100 12.3