The Guzzler Ultra

JUL
17-18
2027
A multi-distance trail race series at Mt Coot-tha near Brisbane featuring 105km, 52km, 21km and 10km courses with significant elevation and reservoir views.
17-18 Jul 2027
UTMB 20K/50K/100K 105 kilometers 52 kilometers Half Marathon 10 kilometers

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About the race

The Guzzler Ultra is a multi-distance trail race series held around Mt Coot-tha in Brisbane, with courses that visit local reservoirs and run predominantly on trails. The event is presented by NatuRace and organised by Those Guys Events. The venue is listed as Sir Samuel Griffith Drive, Mount Coot-Tha, QLD 4066, Australia.

The programme for the event includes the following distances and course facts:

  • 105km with about 4618 m elevation gain and 3 reservoirs visited.
  • 52km with about 2102 m elevation gain and 2 reservoirs visited.
  • 21km with about 711 m elevation gain and 1 reservoir visited.
  • 10km with about 399 m elevation gain and 1 reservoir visited.

Each distance has an imposed time-to-finish limit: the 105km course has a 28 hour limit, the 52km a 12 hour limit, the 21km a 4 hour limit, and the 10km a 3.5 hour limit. The longer distances are noted as qualifiers for international ultra events: the 100k/105km is listed as a WSER qualifier and UTMB qualifier status is indicated for the 50k and 100k distances. Past editions highlight volunteer support, marked courses and substantial trail running community involvement in Brisbane. Visit the organization's website for the most recent information.

105 km
The Guzzler Ultra
52 km
The Glass Half Full
Half Marathon
The Big Sipper
10 km
The Dry Run

Events nearby

Round 1 of SEQ Trail Series Season 14 at Enoggera Reservoir features professionally timed trail races of 8.4 km and 12.9 km, with race photos and a charity BBQ.
A lap-based run at Pooh Corner in Wacol on October 18, 2026 featuring repeated circuits of the flat, 3.9 km Kangaroo Trail with proceeds including a donation to the reserve.
A limited hour running event at Oxley Creek Common with 24, 12, 6 and 3 hour formats on a 5 km loop that reaches the Secret Forest.
An 8.5 km trail run, jog and walk at Enoggera Reservoir in honour of Remembrance Day raising funds for mental wellness services for Queensland veterans and frontline personnel.
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