Galactic Magnetic Field Structure and Ultra High Energy Cosmic Ray Propagation

We consider the effects of the Galactic magnetic field on the propagation of ultra high energy cosmic rays (UHECRs). By employing two methods of trajectory simulation, we investigate the possibility that UHECRs are produced within the Galaxy with paths strongly influenced by the Galactic magnetic field. Such trajectories have the potential to reconcile the existing conflict between proposed local sources and isotropic UHECR arrival directions.