The SWA Open Water Swimming Series: Leighton is the first round of the SWA Open Water Swimming Series.

Held at Leighton Beach, North Fremantle, Western Australia, this event offers 500m, 1.25km, 2.5km, 5km and 7.5km open water swims in an around-the-buoy course format.

This event also doubles as the 7.5km State Championships for those who are members of Swimming Western Australia.