What ages can race, and how are classes set?

Question

Accepted Answer

Annexure 5 of the 2026 AusCycling General Technical Regulations sets the BMX racing categories. A competitor's age is defined as their age at the end of 31 December of the competition year, and the BMX year begins on 1 January.

Sprocket Rocket: ages 2 to 7, on 18" or 20" bikes (participation).
BMX Mini Wheeler: ages 2 to 7, on bikes with a 13" maximum wheel (participation).
Challenge 20" classes: named by age. The age range listed for each class is 8 for ages 8 to 8, 9 for ages 8 to 9, 10 for ages 8 to 10, 11 for ages 9 to 11, 12 for ages 10 to 12, 13 for ages 11 to 13, 14 for ages 12 to 14, 15 for ages 13 to 15 and 16 for ages 14 to 16.
Cruiser (24"): classes include 8-10 (ages 8 to 10), 11-12 (ages 8 to 12), 13-14 (ages 8 to 14) and 15-16 (ages 11 to 16).
Junior Superclass: ages 14 to 16.

Riders are classified by age, gender, bicycle style (Standard 20 inch or Cruiser 24 inch) and competition level.