Portland’s biggest annual party for pets and their peeps at Waterfront Park. Walk or run for the animals at OHS; choose from two routes. First runners depart at 9; registration begins at 7:30am. Festival features live music, food, canine contests, vendors and more. Open to all, with or without dogs. Use discount code 2015spotdogs to receive $3 off! Register/details OregonHumane.org.