Sydney Ultra Marathons

The Sydney Ultra Marathon event from 25 to 26 July 2026 includes an 100km or 50km trail ultra, plus a 30km trail run The event is based from St Ives Showground in Mona Vale. All distances are held on breathtaking courses that take runners through the stunning landscapes of Ku-Ring-Gai and Garigal National Park. You'll experience a dynamic mix of tranquil forest and beautiful waterfront tracks. The event is organised by the team behind [Sydney’s Backyard Ultra](/event/sydneys-backyard-ultra/) and [Sydney Trail Marathon](/event/sydney-trail-marathon/).