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TREMAINS

DUATHLON SERIES

2026 TBC

Our popular Sunday series is back in 2026! The Tremains Duathlon Series features an off-road run, a mountain bike section, and a final run.

Welcome to the Tremains Duathlon Series

With multiple course distances and starting from just 4 years old, the Tremains Duathlon Series is all about fun, fitness, and friendly competition. Enjoy the community vibe with the ever-popular Tremains!

Event Options

Entry Fee & Registration

INFO COMING SOON

Location & Course Maps

Race Information

2026 dates and course TBC SOON!

Proudly sponsored by Tremains Rotorua

Contact us!

Rotorua Triathlon and Multisport has been active since 1992, offering triathlon events for all skill levels in Rotorua. We welcome everyone, from juniors to veterans, and offer discounts at local businesses and coached sessions. If you want to know more about us or ask any questions, please get in contact using the form.

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Thanks! We'll be in touch as soon as we can.

Thanks to our supporters