TRSA Twilight
O'Halloran Hill, Australia • 5 Dec 2025
Event overview
TRSA Twilight is a trail event held on Friday 5 December 2025 at Happy Valley Reservoir Reserve (South West entrance where Chandlers Hill Road meets Kenihans Rd, Happy Valley). The reserve is described as about a 35-minute drive from the city. Entry is capped at 300 participants and online registration closes on Wednesday 3 December 2025 at 5.00 pm. Bibs are normally assigned two days before the event and must be collected from the registration area on the evening of the event.
Race format and race information
Distances:
- 5 km
- 10 km
The event includes placegetters prizes, a drink station on the 10 km course, water and fruit at the finish area, and a coffee van on site for purchases. TRSA will use manual timing: finishers cross the line with their bib visible, take a numbered pop stick from the marshal, and hand that pop stick and their bib to the results marshals for recording. Walkers may take part in the short course only. Participants should bring their own hydration vessel and a mobile phone; basic first aid items and appropriate clothing are recommended. The event operates a strict course closure and participants who do not finish before the course closure will be recorded as DNF. Visit the organization's website for the most recent information.