About this event
XTERRA Dunsborough, held on Saturday, December 6, 2025 in Dunsborough, Western Australia, is Australia’s largest off-road triathlon, set in the stunning natural environment of Meelup Regional Park.
This dynamic event features a variety of race distances including long, sprint, and kids off-road triathlons, welcoming both solo competitors and relay teams in a supportive and energetic atmosphere.
Participants will swim in the crystal-clear, protected waters of Geographe Bay, mountain bike along scenic single-track trails adorned with wildflowers, and complete a challenging trail run along the dramatic granite coastline.
As the host of the 2026 XTERRA Asia-Pacific Championships, XTERRA Dunsborough attracts elite international athletes as well as weekend warriors, offering a unique opportunity to race in a world-class off-road triathlon.
Additionally, the event features the XTERRA Trail Runs, which include three standalone trail races through Meelup Regional Park: 10km, Half Marathon, and Marathon distances, all showcasing spectacular courses.
Distances:
Saturday: XTERRA Triathlons (Ocean Swim + MTB + Trail Run):
Sprint Course: 750m + 15.5K + 5.9K - solo/relay
Full Course: 1500m + 28.5K + 10.5K - solo/relay
Please mention you found this event via KeepActive when contacting the organiser — thank you for your support!
Categories
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