BTC Triathlon Series

OCT
25
2026
A sprint triathlon at Chowder Bay featuring a 400 m swim, 15 km bike over five laps, and a 4 km run through Middle Head Reserve.
Sun 25 Oct 2026
Sprint 400 m 15 4 km

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BTC Triathlon Series : SquareOne Race 2

SquareOne Race 2 is part of the BTC Triathlon Series held at Middle Head, Chowder Bay in Mosman, New South Wales. The event uses sheltered open-water swim conditions at Obelisk Beach, a multi-lap cycle on Chowder Bay Road, and a run through the historical barracks and bushland of Middle Head Reserve.

Course distances:

  • 400 m swim : one lap starting and finishing at Obelisk Beach
  • 15 km bike : five laps of Chowder Bay Road
  • 4 km run : two laps on Middle Head Road and reserve bush tracks

Races are described as traffic free and are presented as introductory triathlons for newcomers as well as events for experienced triathletes. A race manual and full course description with maps are provided by the organiser.

Entry fees vary by membership status:

  • A$60 per race for BTC and Warringah Tri Club members
  • A$70 per race for TA non BTC members
  • A$75 per race for non BTC or TA members

Event location is Chowder Bay / Middle Head, Mosman. Further event details and the BTC Race Manual are available through the organiser's event pages. Visit the organization's website for the most recent information.

Sprint Triathlon
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