Ironman 70.3 Western Sydney
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The Opera house, the Harbour Bridge, stunning beaches, the Blue Mountains, fun nightlife, koalas and a World’s Best IRONMAN 70.3 race! Voted NUMBER 1 for Overall Athlete Satisfaction by thousands of athletes around the globe, IRONMAN 70.3 Western Sydney has everything going for it.
Sun 26th Sep 2021
Where and when
Sydney International Regatta Centre, Gate A, Old Castlereagh Rd, Castlereagh NSW 2749, Australia
Swim Cut off Time – 1:10:00 hour The 1 lap swim course is situated in the man made, sheltered Penrith Lake home to the 2000 Olympic Sydney International Regatta Center (SIRC), perfect for the nervous swimmer. The iconic and purpose built facility is the perfect swim course for both spectators and athletes as the rectangular shaped course starts and finishes in front of the grandstand before exiting to Transition.
Athletes will take in scenic views of the Blue Mountains and roll through the countryside on the two lap bike course.
Cyclists will leave the race precinct via McCarthys Lane, heading around Whitewater Stadium (hitting it again on the second lap) before making their way onto Castlereagh Rd and head towards The Driftway via Brookes Lane. Athletes will return to the precinct via McCarthy’s Lane and completing their ride over the bridge and towards transition. Smooth road surfaces will see fast course times as they head onto the run course while introducing technical turns for a challenge.
After some fantastic athlete feedback, the 2016 brand new run course is making a comeback and set at the base of the stunning Blue Mountains and Nepean River, along The Great River Walk right alongside the Sydney International Regatta Centre before returning runners re-live the best of the 2000 Olympic venue as the rest of the run course encircles the iconic Penrith Lake. The course will complete 1.5 laps heading out and back around the lakes perimeter on the inner footpath, whilst spectators can watch from the grandstand or meet and track athletes from the outer footpath. Athletes will return to the Festival Village in front of the grandstand to celebrate down the finish chute.
The close and compact course will create a stadium-like atmosphere for all to enjoy.
Organiser route images
How to get there
Sydney International Regatta Centre, Gate A, Old Castlereagh Rd, Castlereagh NSW 2749, AustraliaGet full directions
Event day logistics
Friday and Saturday Ironman competitor check in
Saturday Check in and Ironman Expo
Sunday 04:30-05:30 Check in and bike racking
06:15 Race start
Cut off times
Swim 1:10:00 hour
Bike 5:00:00 from Wave start
Run 8:00:00 hour from Wave Start
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"Swim 2.4 Miles. Bike 112 miles. Run 26.2. Brag for the rest of your life." - John Collins, IRONMAN co-founder Since its inception, IRONMAN has been represented by ambitious and courageous people who aren't afraid to push their limits. Take a walk through history with us, through some of the finest and most memorable moments in IRONMAN racing.
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