I thought I would throw this out there for anyone killing time. It is a video of my son and his friend riding on a track I built at the house. Track is 1.5 miles and 15-20 ft wide. I only have a John Deere sub-compact (4410), so making the jumps took a while.
http://www.youtube.com/watch?v=YH6a1vVhOVA
http://www.youtube.com/watch?v=YH6a1vVhOVA