ITT: ultramarathons, the pinnacle of human endurance

>What is an ultramarathon?
An ultramarathon is a footrace longer than the standard marathon distance of 26.2 miles. The shortest ultramarathons start at 31 miles and the longest known one is 3100 miles.

What gear do you use?
What type of training do you do?
What mentality do you apply?
What are they like?
Any interesting stories?
Any kino pictures?

Share them all!