Sydney's Backyard Ultra

Saint Ives, Australia • 20 Sep 2025

Sydney’s Backyard Ultra is an endurance running event held at St Ives Showground, Australia. Runners complete a 6.71 km loop every hour, with the race continuing until only one finisher remains, making the overall distance effectively unlimited. The entire course is marked the day before, with about 34 metres of ascent per lap, and is designed for high visibility so supporters can track progress between yards. Billed as the world’s biggest backyard ultra, the event blends competition with a festival feel—live YouTube streaming, free race photos, a finisher medal, and a shirt. Official gear and rules support a cupless, community-focused experience. Visit the organization's website for the most recent information.

Race information

7 km
34 m+
Unlimited Distance (6.71 Km per Loop)
Visit the organization's website for the most recent information.
Trail runs nearby

Run an epic 80 km along the scenic Bondi to Manly track around Sydney Harbour, from Bondi Pavilion to Manly Beach. This sold out charity event also offers 2 x 40 km and 4 x 20 km relays with proceeds protecting the walking track.

The Sydney Trail Series - St Ives will take place in Saint Ives on Sunday 26 October 2025.

UTMB Index

Event overview The Bare Creek Trail Run takes place on Sunday, November 2, 2025, at Acron Oval, Acron Rd, St Ives, NSW, Australia. The event has been held since 2010. Registration fees apply and a volunteer registration option is available...

Take in dramatic coastal views on the Bouddi Coastal Run through Bouddi National Park, with 21 km, 14 km and a 1 km Kids Beach Run. Enjoy varied trails, sandy beaches and ocean cliffs plus medals and on course support for all ages.

UTMB Index

Discover the Sri Chinmoy Sydney Series, four scenic races at Centennial Park, Iron Cove, Dolls Point and Royal National Park. Choose distances from 4 km up to a full marathon, with wave starts and on the day entries available.

Run a scenic single lap 21 KM half marathon around Lake Parramatta, featuring technical trails, waterfalls and eucalypt canopy. Limited to 400 runners per day, this event blends challenge with premium race kit and photos.