DateExpected
Early April 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Coondoo Rd, Comberton, NSW
Comberton, New South Wales
Countdown
April
The Challenge 40 is a step up from the short course: head out, ride one Eastern Loop lap, then come back. Riders are ranked by age group and bike type.
Key facts
01Course: outbound leg, one Eastern Loop lap of about 20 km, then the return leg
02Results are split by age group and by bike type
Create a free training plan for the The Willo Marathon presented by Shimano 40 km
7-day free trial, no card required
The course
One lap, on repeat
Comberton · one lap
Distance40km
Start · finishOne lap · elevation
0 kmDrag map to rotate35.2 km
Weather
Early-April, Comberton
22°CTypical high
16°CTypical low
10°CColdest in 20 years
40%Days with rain
Highs around 22°C and lows around 16°C, but it has dropped to 10°C. Rain on 40% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserRocky Trail Entertainment
Websiterockytrailentertainment.com
Instagram@rockytrailentertainment
Running since2011
Training
Training for the The Willo Marathon presented by Shimano 40 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 The Willo Marathon presented by Shimano 40 km plan targets
Typical sessions
40 km
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
Terrain and skills practice specific to the course
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 The Willo Marathon presented by Shimano 40 km plan.
7-day free trial, no card required.
Other races at The Willo Marathon presented by Shimano
More events in April in Australia
Lithgow Ridgy-Didge Trail Run FestivalSat, 3 Apr 2027 · Lithgow→Rotary Tour of the BlackwoodSat, 3 Apr 2027 · Bridgetown→The Willo MarathonExpected Early April 2027 · Coondoo Road Mountain Bike Track→Five Peaks ChallengeSun, 11 Apr 2027 · Canberra→Five Peaks Trail Running FestivalExpected Mid April 2027 · Adelaide→Maroondah Dam Trail RunExpected Mid April 2027 · Healesville→
