A 750m Sea Swim, followed by a 21km Cycle (non-drafting), followed by a 5.4km Run or a 400m Sea Swim, followed by a 10km Cycle (non-drafting), followed by a 2.7km Run. Meet by the St Cats breakwater. Competitors require only a swimming hat and goggles, something to wear, a road worthy bike and a suitable helmet. If the sea temperatue is below 14C a wetsuit will be compulsory. All entrants must be 15 or over at 31 December 2017. Anyone under 18 on the day of the race needs a parent or guardian present at registration and throughout the race.