HALF DISTANCE TRIATHLON DURBAN - KWA ZULU NATAL Swim Course: Experience the thrill of the 1.9 km (1.2 mile) swim at uShaka Beach, near Durban Harbour and uShaka Marine World. This one-loop swim in the Indian Ocean is set in an anti-clockwise direction with an average water temperature of 72°F (22°C). Bike Course: The 90 km (56 mile) bike course is a fast, undulating two-loop route on the M4 highway, stretching between the SUNCOAST Casino/M17 and Umdloti/M27 intersections. Access is via the ...