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 6 exciting races in the area. Check out our detailed list below to find your next local race.
October 2026
Monthly triathlon, aquabike and duathlon races at Sydney International Regatta Centre with age-based distances, Aus Triathlon rules, medical cover and volunteer roles.
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
A multi distance triathlon festival at the Sydney International Regatta Centre featuring the original Nepean course plus Classic, Sprint, Aquabike and TriKidz races.
December 2026
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.
Monthly updates for Castlereagh
Get new running races (and updates) in your inbox every month.
October 2027
A team adventure race in the Blue Mountains combining trail running, single-track mountain biking and kayaking at Euroka Clearing in Glenbrook, NSW on October 9, 2027.