Karri Valley Triathlon

MAR
14-15
2026
Experience Karri Valley Triathlon: lake swims, bike rides under a towering Karri forest canopy, and mixed road and trail runs. Adult distances and a Kids Triathlon welcome all abilities for a fun weekend in WA's South West.
14-15 Mar 2026

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Event overview

The Karri Valley Triathlon is scheduled for 14 and 15 March 2026 in Western Australia’s South West. Stadium Triathlon Club is the event host, continuing to run the triathlon for the 23rd year. The event programme includes adult races and a Kids Triathlon. Past results are recorded for multiple years, including 2018 through 2025.

Course and location

The swim takes place in Lake Beedelup. The bike course runs through forested roads described as undulating and passes under the canopy of the Karri Forest. The run follows a mix of road and trail around the RAC Karri Valley Resort and nearby surroundings. Multiple course options are offered to accommodate different participant choices.

Other information

The event acknowledges the Traditional Custodians of the land, naming Wandergarup and the South West Boojarah people. Sponsors and supporters are listed for the event. The organising entity is Stadium Triathlon Club, registered under ABN 36 080 802 903. Visit the organization's website for the most recent information.