The Narrabeen 2 Shelly 10km is the third event of the Australian Marathon Swim Series in 2024. 

Swimmers will start in the deep water roughly 1-2 km offshore before swimming around the headland, past Freshwater and Manly Beach to finish at Shelly Beach.

Swimmers must have completed a 10km swim prior to the event and must complete this event 10km in four hours. 

It is mandatory to have a boat for this swim.

All support crew must carry a phone in a waterproof case and be a part of the event WhatsApp for communication purposes during the event.