A diverse cast of non-professional runners attempt to complete the most difficult ultramarathon race series on earth. Their dramatic journey takes them across the world's most picturesque yet brutal landscapes, pushing their bodies, hearts and spirits through a myriad of external and internal obstacles.
A diverse cast of non-professional runners attempt to complete the most difficult ultramarathon race series on earth. Their dramatic journey takes them across the world's most picturesque yet brutal landscapes, pushing their bodies, hearts and spirits through a myriad of external and internal obstacles.
