Course
A backyard ultra on a 6.7km loop of the Smithfield Mountain Bike Trails at Smithfield Mountain Bike Park, north of Cairns. One lap starts on the hour, every hour, and the race runs until a single runner is left; a Mini Backyard option caps the field at six laps.
Key dates
- !RegistrationOpen now
- ★Race daySat 24 Oct 2026
About
Smurf's Backyard Ultra is an intense endurance event set in the tropical landscape of Cairns, Far North Queensland. Runners tackle a challenging 6.7km lap of the famous Smithfield Mountain Bike Trails, completing a lap every hour until they can no longer continue. The event offers a unique atmosphere with a Saturday night party featuring food, drinks, and live music, making it a standout endurance experience in Far North Queensland.
Save Smurf's Backyard Ultra to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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