20/twenty Challenge hats and swimming caps (in the water) must be worn throughout the course to distinguish which division you are in.

All team members must reach Clontarf Beach by 10.30 am to participate in the kayak leg.

All team members must leave Chinaman’s Beach by 11.30 am to kayak back to Clontarf. After this time - you will be transported back by boat.

Grand Prix and Classic Division swim legs – each team member needs to complete 4 laps of the 500m swim course. 

Children under the age of 18 years must be accompanied by an adult throughout the course.


Classic, Classic 500 and Family teams are not permitted to run any part of the course.

The Grand Prix teams can only run from Chinamans Beach to Rosherville Reserve and back. All other parts of the course must be walked. Please note this is a council regulation and one of the provisions of holding the event.

Any teams spotted running where not permitted will receive a time penalty of up to 5 minutes.


If a swimmer gets into difficulty they need to raise their arm and our water safety team will come to your assistance.

Life jackets must be secured prior to entering the water for the kayak leg.

Teams must ‘check-in’ at all drink stations along the course. Drink stations are located at North Harbour Reserve, Clontarf Beach, Chinamans Beach and Rosherville Reserve.

All participants will be sent a text message on Friday 1 April 2022 with the name and phone number of who to contact in case of an emergency during the event.