4 km Captain Cook Challenge

A return to the circuit course
For 2021 the Swim Thru Perth has returned to an out-and-back circuit course, beginning and ending at Matilda Bay.
The registration and briefing area is on the grassed area outside the UWA Sports Centre at Matilda Bay, Crawley.
Swimmers will enter the water at Matilda Bay, swim around the marked buoys and finish at Matilda Bay adjacent to the UWA Sports Centre.