Smurf's Backyard Ultra

Smithfield, Australia • 25 Oct 2025

Smurf's Backyard Ultra is an endurance running event held in tropical Cairns, Far North Queensland, Australia, at the Smithfield Mountain Bike Park Trail head. Participants run a 6.7 km loop on the hour, every hour, continuing until they can no longer keep pace. The course features the renowned Smithfield Mountain Bike Trails, offering a challenging and scenic experience. The event also includes a Mini Backyard option, allowing runners to complete up to six laps for a shorter challenge. Beyond the race, the event fosters a unique atmosphere with a Saturday night party featuring food, drinks, a bar, and live music, creating a memorable community experience. Visit the organization's website for the most recent information.

Race information

6 km
6.7 Km Lap, On the Hour, Every Hour Until You Can No Longer Continue
6 km
Backyard Mini - up to 6 X 6.7 Km Laps on the Hour Every Hour
Visit the organization's website for the most recent information.
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