Over 2500 chapters world wide. A "hare" sets the trail and the "hounds" follow soon-after. After the run we form a "circle" and sing "adult" songs. This club is for over 21 only. We run twice a month, plus on full moon. We also have a Facebook (https://www.facebook.com/groups/WaukeshaH3/) and Yahoo page (http://sports.groups.yahoo.com/group/brewci...). We have many walkers in the group, so running is not required. A fee of around $8 is charged at the time of the event for the beer.
On most of our runs people just show up without clicking on "attending" in meet-up. They get the info from our Yahoo, Facebook pages. I put the Meetup group up to try to attract some new members.