Brisbane's reservoir ultra — 105km through Mt Coot-tha to three historic dams
The Guzzler Ultra 100km is Brisbane's signature trail ultra, looping out from Mt Coot-tha's forested slopes to visit three of the city's oldest reservoirs — Enoggera (1864), Gold Creek (1882), and Lake Manchester (1912) — before returning to the start. Running 99% on trail across singletrack and fire roads, the 105km course packs in over 4,600m of climbing and includes the notorious 'Hell Hole' descent. Runners have 28 hours to complete the course, with most experiencing at least one full night of running. A Western States 100 qualifier (sub-24hr finish required), UTMB Index race, and Six Foot Track Marathon qualifier.
Experienced ultrarunners
Bardon, QLD, AustraliaJuly 18, 2026
The Guzzler Ultra 100km is a loop trail race in Bardon, QLD, Australia, held on July 18, 2026. The course covers 105 km, climbs 4,618 m, and has a 28h cutoff.
| Location | km | Elevation | Cutoff | Crew | Drop bags |
|---|---|---|---|---|---|
Start Start | 0.0 | 143 m | — | Crew | |
Gap Creek Rd Crossing Resource | 6.0 | 65 m | — | ||
CP1: Walkabout Creek Aid Station | 18.0 | 93 m | — | ||
CP2: McAfee's Lookout Aid Station | 24.0 | 321 m | — | Crew | Drop Bags |
CP3: Gold Creek Reservoir Aid Station | 32.0 | 96 m | 9h3:30 PM | Drop Bags | |
Gold Creek Rd Aid Station | 42.0 | 328 m | — | ||
CP4: Lake Manchester Aid Station | 57.0 | 39 m | 15h30m10:00 PM | Crew | Drop Bags |
Lightline Rd Bush Camp Aid Station | 70.0 | 450 m | — | ||
CP5: McAfee's Lookout Aid Station | 84.0 | 314 m | 23h5:30 AM +1 | Crew | Drop Bags |
South Boundary Rd Aid Station | 95.0 | 162 m | — | ||
Gap Creek Rd Crossing Resource | 98.0 | 65 m | — | ||
Finish Finish | 105.0 | 143 m | 28h10:30 AM +1 | Crew |
Aid station details for this race are still being filled in. Cutoffs and access rules come from the race’s own published information and can change — check the official race details before planning around them.
Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.
July is Brisbane's winter — overnight temperatures on course can drop to 8–12°C; thermal top and waterproof jacket are mandatory gear
Waterproof pants may be declared mandatory if heavy rain is forecast — organisers notify runners via email the afternoon before the event
No required gear specified
No recommended gear specified
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