About this event
The C-WISE Dwellingup 100 MTB is Western Australia’s biggest and most iconic mountain bike event, and one of the state’s largest one-day MTB races. It returns to Dwellingup on Saturday 12 September 2026 for its 18th year, bringing riders into the forests and trails surrounding the town for a full day of racing and spectator atmosphere.
The event features four distance options to suit a wide range of riders: the 15km Joey, 40km Wallaby, 60km Boxer, and the signature 100km Boomer. The courses start and finish in Dwellingup and are known for fast, flowing singletrack, forest scenery, and challenging climbs that reward experienced riders while still offering entry-level options.
In 2026, the Dwellingup 100 will again host the Oceania Mountain Bike Marathon Championships for the fourth year in a row. It will also include the WA XCM State Championships, adding extra prestige and competition to an already major event on the mountain biking calendar.
The event is also held alongside the Mighty Jarrah Trail Run, creating a busy outdoor sports weekend in Dwellingup. Spectators can expect a lively event village atmosphere, with the race drawing riders, supporters and trail running participants to the region.
Launched in 2009, the Dwellingup 100 has built a strong reputation with the mountain biking community and continues to attract riders of all ages and abilities.
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