Actually, when I lived in Madison, WI a lot of people had retired greyhounds (there is a racetrack near there) and would bring them to the dog park. Occasionally they would zoom around the park but they'd usually just walk. I was surprised when I heard how mellow they were!
Rafi, the german malaroo, age 9.5ish http://www.dogster.com/dogs/693238
Varda & Gio (the crazy cattens)
Warming my heart: