This is the response I got from the City of Dunwoody. No disc golf anytime soon.
There may be a bond referendum on the ballet for park improvements in November. If it passes then we would redevelop Brook Run over the next 4 years. If it does not pass I am not sure when it would get built.
Parks & Recreation Manager
City of Dunwoody
41 Perimeter Center East, Suite 250
Dunwoody, GA 30346
Office: 678.382.6857 / Fax: firstname.lastname@example.org