Ready to take on Tasmania’s ultimate open-water challenge?
Start your journey on the Derwent River. Each swim is a personal test of endurance, strength, and connection to one of Australia’s most beautiful waterways.
Register today
Begin your application and confirm your pilot to secure your swim date.
The Derwent River Big SwimTM is Tasmania’s original 34-kilometre ultra-marathon swim.It begins in the Derwent Valley at New Norfolk and finishes beneath Hobart’s Tasman Bridge.
