Event Details
The C-Wise Dwellingup 100 (D100) is Western Australia’s biggest and most iconic mountain bike event, set against the stunning backdrop of Dwellingup’s towering forests and rugged trails.
Returning 12 September 2026 for its 18th epic year, the D100 promises another unforgettable day on the trails, where the mud flies, legs burn, and legends are made.
We’re proud to once again host the 2026 Oceania Mountain Bike Marathon Champions, and the WA XCM State Championships, bringing the best riders from across the region to Dwellingup’s iconic tracks.
With four distances—15km, 35km, 60km, and the legendary 100km—there’s a challenge for everyone, from first-timers to seasoned pros. Spectators can enjoy a vibrant event village with food trucks, music, local stalls, and a festival-like atmosphere.
Registrations open March 2026.
Entry fees vary depending on distance and category, with early bird pricing available.
Don’t miss your chance to ride in one of Australia’s premier MTB events.
