Here’s a couple of things to help you with your training:
For all those thinking of doing there first Ultra Marathon here’s a Training Plan from Trail Magazine:
Ultra Beginners Race Plan
Try the Runner’s World Smart Coach to get a training plan that suits you for most distances.
Or download this Sixteen Week Training Plan (.pdf file) file for a Marathon
The Ultimate Marathon ebook provides a simple and practical handbook you can follow and implement into your own training plan. It has four chapters covering – Marathon Training concepts, Marathon Specific workouts, Marathon Nutrition, and a detailed look at the Marathon Taper.
Download here: The Ultimate Marathon Guide