I would love to do walks with the NYC people. The woman who originally started the MeetUp group did arrange it as walks and visits in a playground in Central Park (the Pinetum). When she moved to Connecticut, the group changed to the dog runs. She does bring her guys in every so often and we walk with them. We have gone to Grapehounds together a couple of times. My girl missing seeing other greys. She will drag me across intersections if she sees them on the street!
We live up by the Planetarium so there is that small park and I feel pretty confident saying that we could take over the small run for a muzzled play-group. Sorry, I've rebuilt two dogs from unprovoked dog run injuries and I just won't do it again.
Anyone in the area feel free to PM me if you want to arrange a walk/meeting.