Trail Running South Australia's TRSA Twilight Run on 5 December 2025 is a 5km and 10km night trail run at Happy Valley Reservoir, near Adelaide.
With views across the water to the Adelaide Hills, this low-key event is the perfect spot to bring the whole family.
Walkers are welcome to take part in the short course event only.
5K - run/walk
10K - run
The event is based at Happy Valley Reservoir, South West entrance (off Chandlers Hills Road).
Please note: the map location may be approximate. Refer to the event website for start lines and course maps.
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This listing was last manually checked on 4 November 2025.
