The South Coast Triathlon will take place in Seaford on Saturday July 6.
There are various events to suit different levels of fitness, for example the fun tri includes a 200 metre swim, 10km cycle and a 2.5km run.
The race venue is at the Martello Fields, off the Esplanade.
The first race of the day will begin at 9am.
To enter the competition visit http://www.uktriathlon.co.uk/south_coast/