The first 10k marathon swim of the year. This iconic 10km swim is a 2.5km circuit that can be done in wetsuit or no wetsuit. Choosing no wetsuit will qualify you for various other events, such as, Rottonest Channel Swim, Port 2 Pub, Palm Beach to Shelly Beach, U24, Great Keppel Island or Australian Open Water Swimming Championships as long as you wear FINA-approved swimwear.