OFFICIAL EVENT PROGRAM – updated 25-3-22: The event program is essential reading for all event attendees and covers details like COVID safe plans, event schedule, course descriptions, car parking and more. Read it HERE.


The AQUATHLON-X is a popular race at X-Adventure Dunsborough presented by Siras Performance! SWIM then RUN, then you’re done!

The course includes ocean swimming and trail running held in the pristine coastal wilderness flanking Geographe Bay and Meelup Regional Park.

This location truly ranks as one of the most spectacular settings of any race in the world. If you missed the inaugural race, then now’s your chance to be part of it – do it solo, or in a super fast relay team of 2!

When: Sunday 3 April, 2021 – 9:30am
Where: Dunsborough, south-west Western Australia

  • 1,000m Ocean Swim
  • 5km Coastal Trail Run

Who: Individuals or teams of 2
Entry Fee’s:
Please click through to the Entry Info & Fees page 

Course and Maps: CLICK HERE for the Aquathlon-X Course Description and Maps