Every minute of every day the Ultramarathon scene is getting more and more popular. There are BCN Backyards with 10000 people registering for 170 places. Events like Western States requite almost ten years solid of ballot places. Even local trail races can be hot tickets (like Camino Epping in October). Through all the mayhem there are small bunch of ultras that have been around for almost fifty years and their popularity shows zero sign of diminishing. Whatever you think about the 'toughest...