2026 Rock Classes
| Class Name | Numbers | Category | Class Description |
|---|---|---|---|
| Rock400: Unlimited | 4400 - 4499 | Rock | Unlimited |
| Rock900: Pro Open UTV | O4900 - O4999 | UTV Rock | Open UTV |
| Rock900: Pro Modified UTV | M4900 - M4999 | UTV Rock | Pro Modified UTV |
| Rock900: UTV Stock | S4900 - S4999 | UTV Rock | Stock |
| Rock500: Modified | 4500 - 4599 | Rock | Modified |
| Rock600: Stock Class | 4600 - 4699 | Rock | Stock |
| Rock800: Legends | 4800 - 4899 | Rock | Legends |