Glenbrook Marathon

Blue Mountains National Park, Australia • 16 Aug 2026

Glenbrook Marathon

The Glenbrook Marathon is a trail running event in Glenbrook National Park based at Euroka Clearing. It offers three course lengths and runs on single tracks and fire trails through park landmarks such as Mount Portal, Red Hands Cave and Nepean Lookout.

Distances

  • 25 km
  • 34 km
  • 42.2 km

The courses include significant elevation gain: approximately +504 m for 25 km, +667 m for 34 km and +794 m for 42.2 km. Runners follow routes that pass lookouts, Aboriginal artwork and Creeks, with the final section including the Oaks Fire Trail and Bennetts Ridge Fire Trail returning to Euroka Clearing.

Aid stations are located at multiple points on course (for example 7.5 km, 13 km, 18 km / 35 km, 21 km / 24 km / 32 km and 37.5 km) and provide water, electrolyte, coke and fruit. There are no cups at aid stations and all participants must carry capacity for at least 500 ml of water. Toilets are available at Euroka Clearing and at Red Hands Cave car park.

The event has a participant limit of 400 and a National Park entry fee of $8 payable at the gates. Age limits apply: 42.2 km and 34 km are 18 plus, 25 km is 16 plus. The 34 km and 42 km courses qualify for the Six Foot Track with specified qualification times. Cut-off times are 4 hours for 25 km, 5 hours for 34 km and 6 hours for 42.2 km. Visit the organization's website for the most recent information.

Race information

Marathon
42.2 Km Marathon
34 km
25 km
Visit the organization's website for the most recent information.
Trail runs nearby

Guided training on the Hounslow 17 km Blue Mountains course with steep terrain, stairs, pace groups and optional extra distance.

A weekend of Blue Mountains trail races around Blackheath featuring steep, technical ridge and canyon trails. Options include a 17 km cliff-top route and a marathon that extends to the Pinnacles and Perrys Lookdown.

A trail running festival at the old Portland Cement Works offering 2 km kids race, 5 km, 10 km and a half marathon plus a multi-race Trail Boss challenge.

A 5 km loop in Springwood from St Columba’s College with 3 or 6 hour solo, pair or team options and a mandatory 500 ml water requirement.

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