Swimtember at H₂O Xtream: Dive in and be in to win

Published on 25 August 2026

Have you ever dreamed of taking on the mighty Cook Strait swim? Not so keen on roaring waves, dangerous currents, and some of the world's most unpredictable weather?

Now is your chance to turn your swim workout into an unforgettable adventure, from the comfort of H₂O Xtream's lane pool.

How it works

Complete 22km (880 lengths of the lane pool) between 1-30 September 2026.
Log the number of lengths completed every time you visit us.
Collect a free swim combo at the 5km mark (200 lengths) – then keep going.
Spot prizes waiting along the journey, plus a grand prize for the first to cross the line!

Why you should take part

Besides clocking an impressive amount of lane lengths, this is an opportunity to challenge yourself and enjoy the unique motivation and encouragement that come with such an iconic swim challenge – without the risks of taking on the actual open-water Cook Strait swim.

Swimtember is designed for all fitness levels. If you are working towards a fitness goal or would like to improve your cardio health and confidence, this challenge will help you build a consistent workout routine.

For everyone with a competitive spirit, some friendly competition will be guaranteed, with a grand prize waiting for the first participant to reach the 22km (880 lengths) mark.