Distance(cm) Elevation(cm) 0 13.8 2.5 13.9 5 12.9 7.5 13.8 10 13 12.5 13.5 15 13.3 17.5 13.5 20 12.2 22.5 12.5 25 11.8 27.5 11.8 30 12.5 32.5 12.6 35 12.9 37.5 13.2 40 12.7 42.5 12.9 45 12 47.5 12.8 50 13.2 52.5 12.7 55 12.7 57.5 12.6 60 12.5 62.5 12.6 65 12.9 67.5 12.2 70 12.9 72.5 12.6 75 11.2 77.5 12.7 80 13 82.5 11.1 85 12.9 87.5 11.3 90 11.7 92.5 12.2 95 12.7 97.5 12.7 100 12.5