99.9% Agility Courses dobt follow criteria.
Please tell us here about critera @NianticAkshay
Not sure I understand the nature of this question.
If it is a dog park, they are valid POIs. Getting them though OPR is another matter.
The 'public' is an all encompassing term.
But, 'public' is not a must have criteria for all poi types.
FYI, dog owners are part of the public.