19th—20th July 2025
Conditions of Entry
Code of Conduct
Release Waiver
2025 Participant Guide
2025 Spectator & Crew Guide
Other important info. Click to expand.
To find your correct shirt size, please find a running shirt that fits you well. Lay the shirt flat on a table and measure the width (of just one side) of the shirt from arm pit to arm pit.
Men’s T-shirt Sizing
| SIZE | Small | Medium | Large | X Large |
|---|---|---|---|---|
| Length (cm) | 70 | 72 | 74 | 76 |
| Half Chest (cm) | 49 | 51 | 53.5 | 56 |
Women’s T-shirt Sizing
| SIZE | XX Small | X Small | Small | Medium | Large | X Large |
|---|---|---|---|---|---|---|
| Length (cm) | 64 | 66 | 68 | 70 | 72 | 74 |
| Half Chest (cm) | 41 | 43.5 | 46 | 48.5 | 51 | 53.5 |
If you have worn a shirt from The Trail Co. before then this is the size you should choose again. Please note: while we try our very hardest to ensure a perfectly fitting shirt, due to manufacturing tolerances there may be a slight difference in your shirt dimensions from those recorded in this table.
Presented By
Useful Links
The Guzzler Ultra held in Brisbane, Queensland is a Western States Qualifier
Six Foot Track Marathon Qualifier
(50km & 100KM)
UTMB Index Race
As trail runners, we love our natural environment and believe that it is a space worth protecting, to ensure it is there for many future generations to enjoy.
One way we aim to take responsibility is by being a 1% For The Planet Business Member.
