SquareOne Womens BTC Triathlon
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Event
The SquareOne Womens BTC Triathlon is a women-only short-course triathlon held at Middle Head in Mosman on 7 December 2025. The swim takes place in the sheltered waters of Obelisk Beach, the cycle uses Chowder Bay Road, and the run finishes on Middle Head Oval. Chowder Bay Road is closed to traffic for the cycle leg.
Race format and fees
The event accepts individuals and relay teams. Team configurations allowed:
- 200 m swim in Obelisk Beach
- 9 km cycle - three laps of Chowder Bay Road
- 2 km run on Middle Head Oval
A single participant may complete all three legs solo. Teams may consist of two people, with one person doing two legs and the other doing one leg, or three people with each person doing one leg.
Registration fees listed for the event period are:
- Individual registration: $20.00
- Team captain (pays for the team): $40.00
- Team member: free
Prices are inclusive of mandatory charges and fees. Registration availability is shown for the period from September 1 to December 6, 2025. Visit the organization's website for the most recent information.