CATEGORIES & RULES
EVENT RULES
Traditional, flat bar MTB must be used
NO Gravel Bikes
NO Drop Bars
NO E Bikes (apart from the D40 & D15 and must be noted on your entry)
E Bikes will start 1 minute in front of the main D40 field. See the Event Schedule page HERE
CATEGORIES
Oceania Mountain Bike Marathon Championships
The Dwellingup 100 will again be hosting the Oceania Mountain Bike Marathon Championships for a second year in a row. This is for the 100KM Boomer event only and you must:
Be registered with the UCI
Be registered with an AusCycling annual license as of event day (Lifestyle or trial memberships are not valid)
Be registered in a country within the Oceania region
Must select that you would like to take part in the Oceania Championship during registration
XCM State Championships
To be eligible for state championship awards, you must fall under the following age groups for your distance and:
Be registered as living in Western Australia
Be registered with an AusCycling annual license as of event day (Lifestyle or trial memberships are not valid)
100KM Boomer
Male & Female 19 to 29 years as of 31/12/2025
Male & Female 30 to 39 years as of 31/12/2025
Male & Female 40 to 49 years as of 31/12/2025
Male 50 to 59 years as of 31/12/2025
60KM Boxer
Female 50 to 59 as of 31/12/2024
Male & Female 60+ as of 31/12/2024