/**
  * Get the TrackCompletedEvent for this trackId
  *
  * @return \Gems_Event_TrackCalculationEventInterface | null
  */
 public function getTrackCalculationEvent()
 {
     if (isset($this->_trackData['gtr_calculation_event']) && $this->_trackData['gtr_calculation_event']) {
         return $this->events->loadTrackCalculationEvent($this->_trackData['gtr_calculation_event']);
     }
 }