Im doing my first 75 mile cycle, Riding with Audax rules, i havn't a clue, what these rules are. I know that it is to ride long distances at a measured pace and that it is NOT a race, but other than that i dont know much. Is there set rules that you have to have mud guards? and what other rules are there? Are there set distances to the control points or are these set by the event orgainsers? If they are set distances set by Audax what are they for a 75 mile ride and what times do you have to do these in? avg speed etc? I'm doing this event http://www.orchid-cancer.org.uk/index.aspx?expand=Events&file=E-orchidcycle-Essex anyone else doing this?