Date
Sat, 11 Sept 2027
Start
06:15
Venue
Allview Escape, Blackheath, NSW
Blackheath, New South Wales
Countdown
September
A Grand Canyon loop, then out to the Pinnacles and back to Allview Escape. 2,500 m of climbing over 43 km makes this a proper mountain day on foot.
Key facts
01Runners must be 18 or older on event day
0220:00 cut-off, so you have a long day on course
03Early start 05:50 for slower runners; main waves 06:15 to 06:30
Create a free training plan for the Hounslow Marathon
7-day free trial, no card required
The course
The route
Blackheath
Distance43km
Total climb2,500m
StartElevation
0 kmDrag map to rotate39.7 km
Weather
Mid-September, Blackheath
20°CTypical high
8°CTypical low
1°CColdest in 20 years
23%Days with rain
Highs around 20°C and lows around 8°C, but it has dropped to 1°C. Rain on 23% of days.
NASA POWER data, 2006-2025, the week either side of race day
2025 results
Who finishes, and how
#RiderTimeAvg speed
01Steph AUSTON05:29:107.8 km/h
02Julia ANDERSON05:33:507.7 km/h
03Sophie BROOME05:37:447.6 km/h
83
Women finishers
8:47:34
Median time
4.9 km/h
Median speed
Women · 2025 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Hounslow Marathon
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 Hounslow Marathon plan targets
Typical sessions
43 km with 2,500 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Hill reps and vert to prepare the climbs and descents
Back-to-back weekend runs for fatigue resistance
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 Hounslow Marathon plan.
7-day free trial, no card required.
More events in September in Australia
Hounslow ClassicExpected Mid September 2027 · Blackheath→Port Douglas Gran Fondo FestivalExpected Mid September 2027 · Port Douglas→Rockleigh 105 Gravel FestSun, 12 Sept 2027 · Monarto→Collie River Ultra (CRU) MarathonFri, 17 Sept 2027 · Lake Grace→Lonely Mountain UltraExpected Late September 2027 · Lidster→
