No dog parks in the city I live in
-- there is one in a nearby suburb, but I've never been there as they charge to go
and if you don't live in their town you pay even more.
The weekend I was in KC for the big meetup, another dog park opened in a town about a 1/2 hr away. I'd like to check it out, but I would never be a regular and I think they charge too
But I do have a fenced yard and mine spend a lot of time out there.
Is it possible for you to fence the back yard or at least part of it? It would pay for itself in no time. It is so nice to let the dogs out while I eat breakfast, get ready for work, etc
What about a big x-pen or getting a couple and linking them together?