The operators of a drone involved in injuring an athlete in a West Australian triathlon have been referred to the Commonwealth Director of Public Prosecutions by the Civil Aviation Safety Authority.

The referral means the operators could be prosecuted if the Commonwealth Director of Public Prosecutions decides that there is reasonable evidence to make a case in court.

Raija Ogden is taken away on a stretcher. Credit:Everything Geraldton

In early April, Raija Ogden was running in Geraldton's Endure Batavia Triathlon, about 420 kilometres north of Perth, when she said she was hit on the head by a drone filming participants when it crashed. Paramedics were called and a witness said a “river of blood” ran down her face.

"I have lacerations on my head from the drone and the ambulance crew took a piece of propeller from my head," Mrs Ogden told The West Australian shortly after the incident.