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TREMAINS

DUATHLON SERIES

2026

Sunday 19th April

Sunday 17th May

Sunday 14th June

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

Location & Course Maps

Race Information

  • 8:20am 
    Registration and Transition area opens

  • 8:50am 
    All bikes must be in the transition area, and must be present for the race briefing

  • 9:00 am - RACE 1:  Kereru (open) Race Starts

  • 9:20am - RACE 2: Ruru (7-9yrs) Race Starts

  • 10:30am - RACE 3: Piwakawaka (4-6yr) Race Starts

  • Piwakawaka event - for this event you can put your bike into transition before 9am OR pop in once the last rider has racked their bikes from the Open & Ruru races (please check with volunteers in transition). We would prefer all bikes to be in transition before 9am if possible! 

  • Prizegiving to be held after the last competitor has finished hopefully around 11-11:30am

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