She said the whole thing was "pretty dramatic".
Two ambulances were called to the arena at the northern end of St John St in Ōpōtiki and took away the injured rider, she said.
Charlton said she had seen loads of riders get badly injured in the ring over the years.
A St John spokeswoman said they got a call to Saint John St in Ōpōtiki about 12.50pm.
One person was taken to Whakatāne Hospital with serious injuries, she said.
- Rotorua Daily Post