TRSA Twilight
O'Halloran Hill, Australia • 5 Dec 2025
Event overview
TRSA Twilight is an evening trail event at Happy Valley Reservoir Reserve in Happy Valley, South Australia, held on Friday 5 December 2025. The event offers two course options and is limited to 300 entrants. The reserve location is accessed via the South West entrance off Chandlers Hill Road.
Race details
- 5 km
- 10 km
The 10 km course includes a drink station and has two permanent drink points on that route. Water and fruit are provided at the finish area. Timing will be conducted manually using a pop-stick recording process. Walkers may take part in the short course only. Participants must carry a mobile phone and bring their own hydration vessel, as the event is cup-free. Basic first-aid items and weather-appropriate clothing are recommended.
Entry fees differ for members and non-members: member prices listed are short $5 and long $10; non-member prices listed are short $10 and long $15 (plus GST). Entries close on Wednesday 3 December 2025 and no late entries are accepted. Car pooling is encouraged and volunteers will direct parking. Personal insurance is the participant’s responsibility; entry fees do not provide individual medical insurance. Visit the organization's website for the most recent information.