FULL IRON Australia in Port Macquarie, New South Wales Swim Course: A 3.8km swim in the calm waters of the Hastings River. Starting at Westport Park, you'll swim under the Park Street bridge, pass the weir crossing, and then return to Westport Park for T1. The average water temperature is 73°F / 23°C. Bike Course: The 180km bike course features two loops. From Hastings River Drive, head to Winery Drive, then return to Hastings River Drive and continue north over the Pacific Highway through ...