If I ever win Lotto, I’d like to sponsor a major dog park development.
Dog park designs are an interesting line of work for landscape architects. James Harrison Melnick of the University of Arizona did a review of A Successful Southwest Dog Park in 2013.
His report is still a useful document with various designs, their pros and cons, reviewed and discussed.

The Chaparral Dog Park in Scottsdale, Arizona
His report is downloadable through this link.
Kathleen Crisley, specialist in dog massage, rehabilitation and nutrition/food therapy, The Balanced Dog, Christchurch, New Zealand