An event eagerly anticipated by craft beer lovers each spring, the Boston Beer Summit has been satisfying thirsty locals for 16 years now. Coinciding with Boston Marathon weekend, this event takes place April 17 & 18 at the Park Plaza Castle (130 Columbus Ave.), with one Friday night and two Saturday sessions for your imbibing pleasure. For $55, suds enthusiasts can enjoy samples from 57 breweries—including 16 from Massachusetts, as well as national and international companies from Lagunitas Brewing Company in California and Oskar Blues Brewery in Colorado to Belgium’s Duvel and Denmark’s Carlsberg—who offer sips of more than 200 brews. Sign up now, as this popular tasting extravaganza is sure to sell out. For more information and tickets, visit beersummit.com.