RedactedNarrative: VESSEL OWNER STATED THE VESSEL WAS DOCKED AT THE TWIN BRIDGES STATE PARK. OWNER STATED HE HAD LEFT THE ENGINE OF VESSEL 1 RUNNING WHILE HE HELPED HIS CHILD EXIT THE VESSEL.  OWNER STATED THE HE NOTICED THAT THE VESSEL WAS DRIFTING AWAY FROM THE DOCK. THE VESSEL BEGAN GOING IN CIRCLES.  OWNER STATED HE JUMPED INTO THE WATER TO ATTEMPT TO RETRIEVE HIS BOAT. OWNER WAS NOT WEARING A PFD.  OWNER REACHED HIS VESSEL AND WAS ABLE TO GRAB ONTO THE JET DRIVE OF THE OUTBOARD AT STEER THE VESSEL TOWARD SHORE.  ONCE THE VESSEL WAS AT THE SHORELINE, IT RAN OVER THE OWNER CAUSING SEVERAL LACERATIONS ON BOTH OF HIS LEGS AND LEFT SIDE OF HIS TORSO.  THE OWNER WAS ABLE TO GET FREE AND EMS WAS SUMMONED.  OWNER WAS TRANSPORTED TO THE HOSPITAL.