3 Marathons in 3 Days - Kuranda

Kuranda, Australia • 18-20 Jul 2025

The 3 Marathons in 3 Days (3M3D) is an endurance running event held annually on the Atherton Tablelands in Queensland, Australia, culminating in Cairns. Now in its fourteenth year, the event spans three consecutive days, offering participants the option to run individual marathons or the full 126.6 km Grand Slam, which includes all three races. The course features scenic routes through the World Heritage-listed region, providing a challenging yet rewarding experience. The event emphasizes safety and professionalism, offering GPS tracking, first aid, and refreshments. It attracts experienced runners, with entry prerequisites ensuring participants are prepared for the demanding distances. Visit the organization's website for the most recent information.

Race information

UTMB 50K
126 km
3m3d Grand Slam
42 km
Cairns Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Take on Smurf's Backyard Ultra in tropical Cairns at Smithfield Mountain Bike Park, running repeated 6.7 km laps each hour until you stop. Enjoy a Saturday night gathering with food, drinks and live music.