Chris,
  can you post the route somewhere, or email to me ?
 Sounds like you lot will be heading right past my door, so if I knew where you were all going I could pull up a deck chair and watch the world go by. well okay, just you lot then 
 
  Cyclists round are way are crazy. Mind you, so are the 4wd drivers who don't slow down for anything. Putting the two together on the same roads would be entertaining 
 
  Have a look here, number 51: 
http://www.ukmotorists.com/highway%2...for%20cyclists  its a should-not, not a must-not or shall-not, so its not illegal to ride more than 2 abreast.