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QLD · CAIRNS
Smurf's Backyard Ultra
Smurf's Backyard Ultra starting on 24 October 2026 is a last one standing endurance event set in tropical Cairns, Far North Queensland, Australia. The course traverses 6.7km of the famous Smithfield Mountain Bike Trails, with runners tackling a lap on the hour, every hour, until they can no longer continue. This event also includes the Mini Backyard - an option for up to 6 laps for those not planning on going long.
Organised by
Smurf's Backyard UltraDate
24 Oct 2026
Races
2 distances
Getting there
The event is based at the Smithfield Mountain Bike Park Trail head, McGregor Road.
Available races
6.7km
6.7km
Full BYU: 1 x 6.7K per hour - Last one standing formatFull BYU: 1 x 6.7K per hour - Last one standing format
6.7km·95m·Start 07:00
→Registration openView race →
6.7km
6.7km
Mini BYU: 1 x 6.7K per hour - up to 6 lapsMini BYU: 1 x 6.7K per hour - up to 6 laps
6.7km·95m·Start 07:00
→Registration openView race →
Each race has its own page with start times, mandatory gear, course map and registration. Pick the distance that suits you.