Sydney Trail Half Marathon - Autumn

Castle Hill, Australia • 3 Apr 2026

Event Details

The Sydney Trail Half Marathon - Autumn Edition takes place on Friday, April 3, 2026. The race is a 21 km single-lap course with 445 m of elevation gain and loss. The start and finish location is Eric Mobbs Reserve in Castle Hill.

The Course

The route traverses Bidjigal Reserve, featuring trails beneath eucalyptus canopies alongside streams and creeks. The course is different from the Summer, Winter, and Night editions of the event.

Race Information

Participants must carry mandatory gear at all times, including a fully charged mobile phone, a 500ml water carrying capacity, and a compression bandage. The event is cupless, so runners must provide their own drinking vessel.

An aid station is located at the 15.4 km mark, with an additional water stop at 9.5 km. There is a strict 4-hour cutoff time, requiring all runners to finish by 11:30 AM.

Facilities and Services

Parking is available for free at Eric Mobbs Reserve. A bag drop service will be provided. After the race, there will be a BBQ. Every runner receives a finisher's medal and a running singlet. Race photos are provided for free.

The event is limited to 350 runners. Visit the organization's website for the most recent information.

Race information

Half Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Trail races at St Ives across September, October and November 2025 with distances from 7 km to 30 km, running through the St Ives Wildflower Gardens and along Cowan Creek. On the day entries are available and there are post-race refreshment..

Whale Rock Trail Run in Pennant Hills on 1 March 2026 offers a 17 km challenge, a 6.5 km fun run and kids athletics, with cupless aid stations, medals, training plans and a family-friendly event village.

Trail races at St Ives across September, October and November 2025 with distances from 7 km to 30 km, running through the St Ives Wildflower Gardens and along Cowan Creek. On the day entries are available and there are post-race refreshment..

A trail running event at Bobbin Head in Ku-Ring-Gai Chase National Park on April 11, 2026 offering 12 km, 22 km and 45 km single track courses plus a Triple Trail Challenge linking three events.

UTMB Index