Course & Elevation
The Great Barrier Reef Marathon features a scenic double-loop course starting and finishing at Four Mile Beach in Port Douglas. Runners traverse the beachfront and surrounding coastal roads with stunning tropical views, passing through the town center and taking in the natural beauty of Far North Queensland. The course is fast and flat, making it ideal for personal bests.
Course Facts
📈 Elevation Profile
➡️📊
Interactive elevation chart coming soon
85m total gain • Flat profile
🗺️ Course Map
🗺️
Interactive course map coming soon
Port Douglas, Australia • 42.195km road
🌤️ Weather on Race Day
🌡️
28°C
Temperature
💧
75%
Humidity
🌧️
35%
Rain Chance
📝
Warm tropical climate with relatively low rainfall during late October. Humidity is moderate for the region, and sea breezes provide cooling relief along the coastal route.
Get Your Training Plan
Free, personalized for this race
Get race tips & guides in your inbox
Race tips, training guides, and the latest from 500+ races worldwide.