About This Event
IRONMAN Western Australia delivers a world‑class triathlon on the Busselton foreshore, featuring a calm Geographe Bay swim, flat bike and run courses, and a vibrant race atmosphere perfect for pros and first‑timers alike.
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Sunday 6 December
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IRONMAN 70.3 1900m swim / 90km bike / 21100m run5:28am
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IRONMAN 3.8km swim / 180km bike / 42.195km run6:50am
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IRONKIDS8:30am
Quick Facts
- Date
- Sunday, 06 December 2026
- Terrain
- Road
- Location
- Signal Park, Busselton Foreshore, WA
- Entry Fee
- Check official website
- Difficulty
- Easy
- Start Time
- 5:28 AM
- Good for Beginners
- Yes – the flat bike and run courses make it ideal for first‑time Ironman athletes.
Event Details
Course Description
The race kicks off with a 3.8km roll‑start swim in the sheltered waters of Geographe Bay, keeping athletes close to shore for calm conditions. Transition 1 leads to a flat, fast bike course that hugs the scenic Busselton foreshore and surrounding roads, offering minimal elevation change. The run follows the same flat, coastal route, finishing on the bustling Shelter Brewing Co. lawn where spectators cheer. The course is renowned for its speed, stunning ocean views, and a holiday‑like vibe that makes it one of the most enjoyable Ironman venues in Australia.
Getting There
The event is centred at Signal Park on the Busselton foreshore. For detailed parking, public transport and accommodation options, please visit the official race website or contact the event office at westernaustralia@ironman.com.
Where to Stay
Places to stay near the start, priced for race weekend.
We may earn a small referral fee if you book through this map — you pay the same price.
Weather & What to Pack
December in Busselton is warm summer weather, with typical daytime highs around 28 °C and overnight lows near 12 °C. Water temperature averages 21 °C. Expect plenty of sunshine and low humidity. Dress in light, breathable fabrics, wear sunscreen, and stay well‑hydrated throughout the swim, bike and run legs.
Race details last updated 14 Sep 2026
Ready to run IRONMAN Western Australia?
Official WebsiteFrequently Asked Questions
Is registration still open for IRONMAN Western Australia?
Registration for the 2026 event is sold out. You can check the official website for any future openings or alternative Ironman events.
What time should I arrive on race day?
Arrive early to complete check‑in, collect your bike rack and gear bag, and attend the pre‑race briefing. The earliest start is at 5:28 AM, so aim to be on site by 4:30 AM.
What gear is mandatory for the race?
All athletes must wear a helmet (checked at transition), have a compliant bike, and bring a personal needs bag. Street gear bags are dropped off at transition. Specific gear requirements are listed in the athlete guide on the race website.
Are there cut‑off times for the swim, bike or run?
The event follows standard Ironman cut‑off times. Exact cut‑off times are detailed in the official athlete guide; please review it before race day.
Can I bring my own nutrition and hydration?
Yes. On‑course nutrition stations provide Maurten gels, solids and PH 1000 electrolyte drink, but you may also carry your own approved fuel and fluids.
parkruns near this race
Free, timed 5km every Saturday morning. A good hit-out between races, or an easy shakeout the day before this one.
- Geographe Bay parkrun Sat 8:00am · 1.2 km away · Busselton
- Centennial Park parkrun, Dunsborough Sat 8:00am · 22 km away · Dunsborough
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