Here's a quick reference guide for the legs of the race:
Of course, these numbers came straight from here.
detailed course maps are available via the ragnar webpage. Maybe more experienced Ragnarians (like that word? I think I just made it up) can speak up - but I have heard it is best to print out/be v. familiar w/your legs as sometimes tired crazy relayers like to mess w/the signs and screw people up .... Is this true?