<human>: Can you condense the text into a few key points?

I have a 14 lb, 1-year-old Rat terrier (Maggie) who has endless amounts of energy. Currently, we live in a 1 bedroom apartment and she's pretty chill most of the time when we're inside...but then she gets these random bursts of energy and turns into Speedy Gonzales running laps around the apartment like a madman.
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Maggie is great on leash too and thanks to Pokemon Go she's been going on walks daily for 3-4 hours with lots of time for smelling. Usually, my husband and I go together so I bring the fanny pack with treats to work on her manners during these walks. Unfortunately, we can't go running due to health issues.
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Honestly, she's a very well trained dog and very friendly with other dogs (good manners). But her terrier instincts get the better of her and her recall sucks. Is going to the dog park ok? and will it wear her out more? Obviously with all the games, training, walking we do with her she's not worn out and I'm looking for a new outlet for her to spend her energy. My husband and I are both in college and can't afford doggy daycare, so that's out of the question. Any thoughts/suggestions? Thanks!
<bot>: Dog sucks at recall, but is it okay to go to a fenced dog park to let her release her extra energy?