FULL IRON South Africa triathlon, a race that pulses with South African spirit. Swim (3.8 km / 2.4 miles): Athletes start at Hobie Beach, swim parallel to the shoreline past Humewood Beach to Kings Beach, and then return to Hobie Beach. Bike (180 km / 112 miles): This two-loop course starts at Hobie Beach and follows Marine Drive. It ascends through the city to Mount Pleasant, then continues through Seaview, Beachview, and Maitland’s to the De Stades River Valley turnaround. The return ...