There are some cabins available at the Barhurst Caravan park - https://www.big4.com.au/caravan-parks/nsw/central-nsw/bathurst-panorama-holiday-park

Motel Accommodation is stretched in Bathurst over this period as a new car race, the Bathurst 500, has been added to the calendar. More affordable accommodation may be available in Blayney or Millthorpe