The competitor, Raija Ogden was heading into her second lap of the run leg of the race on the Foreshore when the incident occurred.
The remote-controlled copter struck her head and she fell to the ground.
Raija is the wife of defending champ Courtney Ogden who came in second place in today’s race shortly after the incident occurred.
The UAV operated and owned by local videographers New Era Photography and Film were covering the event with live footage and owner Warren Abrams said the circumstances looked to be suspicious.
“We will be conducting a full investigation of what happened but it looks as though someone has hacked into our system,” he said.
The Geraldton Triathlon Club released a statement expressing their sincere apologies about the accident.
“In relation to the incident that occurred today at the Endure Batavia Triathlon involving an aerial camera and competitor Raija Ogden, the Geraldton Triathlon Club wish to state their sincere apologies to Mrs Ogden,” the statement said.
“Mrs Ogden has been treated by paramedics on location and the club have been advised she is in a stable condition following the incident, with minor injuries sustained to her head.
“Geraldton Triathlon Club President Simon Teakle, said the club are very disappointed that this has occurred.
“We are currently in discussions with the videographers to assess how the incident occurred and the circumstances surrounding the accident,” he said.
“This incident should never have occurred and a full investigation will be conducted in conjunction with the videographers involved.”
Update - Follow up story - UAV operator “not certified” according to ACUO