Swim Thru Rotto – Ocean Swim in Rottnest Island WA

Race facts

• It takes place on a Saturday, December 5, 2026 — summer in this part of the world.
• The closest comparable swimming event is Swimming WA Open Water Series 2026 in Perth, 33 km away, on November 1, 2026.
• 6 of the 12 most similar events take place in the same month.