These are friendly internal competitions, which give swimmers a chance to test their ability across the range of strokes in a pressure-free environment.
All swimmers are expected to enter every event.
50 m sprints for every stroke, plus Skins events for the top six under-14s and top six Open swimmers.
Held over two days in late November or early December at Arun Leisure Centre, Felpham. Age groups are U10, U12, U14, U16, Open and Masters, and events are 50 m of each stroke for U10, U12 and Masters, and 100 m of each stroke for U14, U16 and Open age groups. Individual Medley is 100 m for all age groups.
There are cups and trophies for the winner of each event which are presented at the awards night in January.