challenge 20 km canal de l Ourq 55.3 50.5 50.6 53.3 51.6 53.2 53.8 53.1 51.5 53.7 52.4 52.8 52.4 52.6 51.6 51 51.5 53.8 53.4 54.6 55.1 56.8 58 57.8 57.5 57.2 57.6 57.4 57.8 57.2 55.5 57.5 58.7 60.2 62.3 64.5 62.9 62.8 63.7 64 63.9 63.6 62.8 61.3 55.5 55.2 55.1 57.7 57.2 57.9 56 55.2 55 54.6 53.8 51 52.7 52.4 53.1 53.9 54.6 52.9 52.2 52 52.2 53.5 52.6 53.5 52.5 53.3 54 53 50.7 53.8 52.6 54 55