MotorSport New Zealand has confirmed two competitors have died after an incident at the Arcadia Road Rallysprint in Paparoa on Sunday.
The driver and their co-driver were involved in a single-car incident that saw their vehicle leave the road.
Police and emergency services were called to the scene at approximately 2pm, however, the competitors died before their arrival.
"Our thoughts are with the family and friends of these two competitors and all involved with the Arcadia Road Rallysprint," said MotorSport New Zealand president Wayne Christie.
"The whole motorsport community will be understandably shocked and upset by this terrible tragedy. We will be offering support to all those involved in the coming days."
MotorSport New Zealand said it will cooperate with all investigating agencies as well as undertake its own full and thorough investigation.