Smurf's Backyard Ultra
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Smurf's Backyard Ultra - 2025
Smurf's Backyard Ultra takes place at Smithfield Mountain Bike Park trail head, McGregor Road, Smithfield in Cairns, Far North Queensland, Australia. The event date is October 25, 2025. The participant count shown is 179, with 21 registration spots reported as remaining.
Format and entry
The event uses repeated laps of the same course:
- 6.7 km single lap, run on the hour, every hour until a runner stops.
- Mini Backyard: up to 6 x 6.7 km laps as a shorter option.
Entry is offered in two event categories (Backyard Ultra and Backyard Mini) with tiered pricing depending on registration period. Example listed prices include Backyard Ultra at A$140, A$170, and A$200 across different registration windows, and Backyard Mini at A$75, A$100, and A$125. The event program includes a Saturday night gathering with food, drinks, a bar, and live music. Visit the organization's website for the most recent information.