TREMAINS
DUATHLON SERIES
18 April | 16 May | 20 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 BBQ, and be in to win a $250 spot prize at each of the three events - plus loads of other epic spot prizes.
Event Options
Entry Fee & Registration
Tiny Tots & Kids:
Members: $10 | Non-members: $15Short Course:
Members: $15 | Non-members: $20Series Entry:
Enter all three events and pay for twoLate Registration Fee:
Additional $10 (Registrations close the Thursday at 5pm before each event)
Location & Course Maps
The event is held at Te Putake o Tawa MTB Hub, Tarawera Road, Whakarewarewa Forest, in Rotorua. Facilities include
On-site coffee and food cart
Toilets
Bike wash station
Plenty of parking
Race Information
Race Day Schedule
8:00am
On-the-day registration opens9:00am
Tiny Tots Course Start9.45am
Kids Course Start11:00am
Short Course Start
Volunteers
Thank you for your interest in volunteering at the Tremains Duathlon Series. Events like ours would not be able to continue without the support of people just like you!
We have a wide range of positions available on all 3 Sundays. Please contact us if you're interested and available: info@rats.org.nz
Health and Safety
To be updated
Transition Areas: Separate transition zones for each race category; participants should ensure their setups do not obstruct other competitors.

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.
Thanks to our supporters
Rotorua Association of Triathlon and Multisport Inc.
(Also known as "RATS")
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