2025/26 EVENTS Open Water Swimming Series Learn more and register for our upcoming Open Water Swimming Series events. 2025/26 Events 18 OCTOBER ROUND 2: LEIGHTON 500m | 1.25km | 2.5km | 5km Register Now 22 NOVEMBER ROUND 3: COOGEE BEACH 500m | 1.25km | 2.5km | 5km | 7.5km | 10km Register Now 7 December ROUND 4: ROCKINGHAM 500m | 1.25km | 2.5km | 5km | 7.5km Register Now 27 December ROUND 5: MULLALOO 500m | 1.25km | 2.5km | 5km | 7.5km | 10km Register Now 10 JANUARY BELT UP ROUND 6: SORRENTO 500m | 1.25km | 2.5km | 5km | 7.5km | 10km Register Now 24 JANUARY ROUND 7: BUNBURY 500m | 1.25km | 2.5km | 5km | 7.5km | 10km Register Now 14 FEBRUARY ROUND 8: CITY TO SCARBS 500m | 1.25km | 2.5km | 5km Register Now 14 MARCH WA'S BIG OCEAN RELAY 4x500m | 4x1km Register Now