Castlereagh
Triathlon Calendar near Castlereagh 2026-2027
Monthly updates for Castlereagh
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Castlereagh for 2026-2027! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Monthly triathlon and duathlon races at Sydney International Regatta Centre with age-based distances, first aid on site, and Aus Triathlon rules in force.
Club triathlon races for the 2026/2027 season are scheduled at Penrith Regatta Centre, with twilight training run alongside OneBody Health and Fitness and results published online.
October 2026
A multisport team event in the Blue Mountains combining mountain biking, trail running, kayaking and navigation for teams of two.
A triathlon at the Sydney International Regatta Centre with on-site registration, electronic timing, first aid, drink station on the run, and AUS Triathlon rules in effect.
November 2026
Experience Australia's oldest triathlon at the Sydney International Regatta Centre, featuring multiple race distances for adults and children in a historic November event.
Monthly updates for Castlereagh
Get new running races (and updates) in your inbox every month.
December 2026
A club triathlon at the Sydney International Regatta Centre with electronic timing, on-site medical support, specified transition procedures, and a drink station on the run course.
May 2027
A half distance triathlon at the Sydney International Regatta Centre featuring a sheltered lake swim, flat bike with Blue Mountains views, and a lap run course for support crews.