For one week only, Portland-area spots are slinging one-of-a-kind burgers for just $10 each, with vegan and veggie options in the mix. Grab a free mobile pass to check in at locations across town for a chance to win prizes. Participating district spots include Birdie Time Pub, Boke Bowl, Breaking Buns at Alchemy Cider, Bunk Bar, Clarklewis, Creepy's, Dimo's Italian Specialties, Loyal Legion, Nicholas Restaurant, Pacific Standard, Wayfinder Beer, White Owl Social Club, and Wolf's Head Portland.