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Event Details
About This Event
IRONMAN 70.3 Western Australia in Busselton. Flat, fast course featuring 1.9km swim, 90km bike through Tuart Forest, and 21.1km run. Part of the IRONMAN Asia-Pacific Championship.
Course Description
IRONMAN 70.3 Western Australia offers one of the most spectacular triathlon courses in the Asia-Pacific region. The 1.9km swim takes place in the pristine waters off Busselton's iconic jetty at Signal Park. The 90km bike leg takes athletes through the stunning Tuart Forest, known for its flat, fast terrain and towering ancient trees. The 21.1km run follows the picturesque Busselton Foreshore, providing ocean views and enthusiastic crowd support. This flat, fast course is ideal for personal bests and is part of the IRONMAN Asia-Pacific Championship series, attracting elite and age-group athletes from around the world.
Quick Facts
Getting There
Signal Park is located on the Busselton Foreshore, approximately 2.5 hours south of Perth via the Forrest Highway. Ample parking is available near the foreshore and in the Busselton CBD. Arrive early on race morning to allow time for transition setup and pre-race preparations. Public transport options are limited; driving or organised race transport is recommended. Consider arriving the day before to attend race briefing and familiarise yourself with the course.
Weather & What to Pack
Early December in Busselton typically brings warm, pleasant conditions with temperatures ranging from 15-28°C. Expect sunny skies with low humidity and coastal breezes that can provide relief during the run. The swim water temperature is usually around 20-22°C, making it wetsuit-legal. Plan for sun protection throughout the race with sunscreen, sunglasses, and a cap or visor. Stay well-hydrated before and during the event, utilising aid stations on the bike and run courses.
Frequently Asked Questions
What are the cut-off times for IRONMAN 70.3 Western Australia?
Athletes must complete the swim within 1 hour 10 minutes, the bike within 5 hours 30 minutes from race start, and the entire race within 8 hours 30 minutes from the official start time. Transition times are included in these cut-offs.
Is the course suitable for first-time IRONMAN 70.3 participants?
Yes, the flat terrain and well-supported course make it an excellent choice for first-timers who have completed adequate training. The calm swim conditions and fast bike course through Tuart Forest are particularly beginner-friendly compared to hillier IRONMAN 70.3 events.
What should I bring on race day?
Essential items include your race kit (timing chip, race numbers, helmet stickers), wetsuit, tri-suit or race clothing, bike with spare tubes and CO2, running shoes, nutrition for bike and run, sunscreen, hat or visor, and sunglasses. Transition bags will be provided for your gear.
Are there age-group qualifying slots for the IRONMAN World Championship?
Yes, IRONMAN 70.3 Western Australia typically offers qualifying slots for the IRONMAN 70.3 World Championship. The number of slots varies by age group and is announced closer to race day. Slots are awarded based on overall finish time within each age category.
What facilities are available at the race venue?
Signal Park provides comprehensive facilities including transition areas, change rooms, bag storage, medical support, nutrition stations, and spectator viewing areas. Post-race refreshments and recovery services are available in the finish area along the Busselton Foreshore.
Last updated: 27 December 2025
