Date
Sat, 10 Apr 2027
Start
09:30
Venue
Waimarino Museum, Raetihi
Raetihi, Ruapehu District
Countdown
April
A gentle 20 km spin down Mangaeturoa South Road and back to Raetihi, with barely any climbing. Easy enough to bring the kids along.
Key facts
01Riders aged 10 and up if accompanied by an adult
02Helmet required; road, mountain or e-bikes allowed
Create a free training plan for the Raetihi Gutbuster 20 km
7-day free trial, no card required
The course
The route
Raetihi
Distance20km
Total climb200m
StartElevation
0 kmDrag map to rotate19.0 km
Weather
Early-April, Raetihi
18°CTypical high
9°CTypical low
2°CColdest in 20 years
43%Days with rain
Highs around 18°C and lows around 9°C, but it has dropped to 2°C. Rain on 43% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserRaetihi Promotions Charitable Trust
Websiteraetihi-gutbuster.com
Instagram@raetihigutbuster
Running since2011
Training
Training for the Raetihi Gutbuster 20 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Raetihi Gutbuster 20 km plan targets
Typical sessions
20 km with 200 m of climbing
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Group rides for drafting and bunch-riding skills
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Raetihi Gutbuster 20 km plan.
7-day free trial, no card required.
Other races at Raetihi Gutbuster
More events in April in New Zealand
Porirua Grand TraverseExpected Early April 2027 · Porirua→Kaukau Skyline TraverseExpected Mid April 2027 · Wellington→The Hits Waitomo Trail RunExpected Mid April 2027 · Hangatiki→Glen Oroua Graded Road RaceExpected Mid April 2027 · Glen Oroua→The Matakanui ExpressSun, 18 Apr 2027 · Omakau→Faultline UltraExpected Late April 2027 · Paekākāriki→
