Before Beoir and ICB I arrange the Dublin leg of the international pub crawl. Basically, it was a bunch of people, in various cities around the world going on a pub crawl at the same time.
I did up a map of the city centre, with all of the pubs marked on it and numbered in the order we would be visiting them. I handed out copies of it to everyone, the idea being that if someone got sidetracked, or wanted to skip a pub, they could find us quite easily without relying on someone hearing their phone in a noisy pub.