A heart attack victim has been described by medics as a "very lucky man" after having the medical issue at an event wheretwo doctors were in the crowd.
Emergency services were called to the Masterton Motorplex Drag Racing Centre about 11.30am.
St John Ambulance spokesman Richard Schulze said a cycling event was being held there, and a man in attendance suffered a cardiac arrest.
"We attended for a person who had suffered a medical event, it wasn't the result of a crash.
"We airlifted him to Wellington Hospital in a status two condition."