code: def stats(self):
          
          if not self.is_authenticated_athlete():
              raise exc.NotAuthenticatedAthlete("Statistics are only available for the authenticated athlete")
          if self._stats is None:
              self.assert_bind_client()
              self._stats = self.bind_client.get_athlete_stats(self.id)
          return self._stats
docs: :return: Associated :class:`stravalib.model.AthleteStats`