Distance(cm) Elevation(cm) 0 13.8 2.5 12.5 5 13.5 7.5 13.7 10 12.3 12.5 13.1 15 12.4 17.5 12.9 20 12.8 22.5 12.4 25 12.9 27.5 12.3 30 11.7 32.5 11.6 35 11.4 37.5 12.4 40 12.1 42.5 11.6 45 13.1 47.5 12.2 50 13.8 52.5 12.7 55 12.1 57.5 12.5 60 12.5 62.5 13.7 65 11.7 67.5 11.7 70 12.3 72.5 11.8 75 12.1 77.5 12.9 80 12.1 82.5 11.7 85 12.8 87.5 12.6 90 13 92.5 11.8 95 12 97.5 12.5 100 12