SIMBC is divided into 10 Categories:

  1. Cross Country Challenge (XCO) Men's Elite – (19 years above)
  2. XCO Women's Elite (19 years above)
  3. UCI Men's Junior World Series (17 and 18 years old)
  4. UCI Women's Junior World Series (17 and 18 years old)
  5. Men's Master A (30 years above)
  6. Men's Master B (30 years above)
  7. Sarawak Closed
  8. Downhill (DH) Men's Elite (17 years above)
  9. DH Women's Elite (17 years above)
  10. DH Men's Master (30 years above)