The 130th Bank of America Boston Marathon Expo, held Friday-Sunday April 17-19, 2026 at the John B. Hynes Veterans Memorial Convention Center. Three-day vendor exposition serving the 30,000+ registered Boston Marathon runners and their guests. Features the Adidas Boston Marathon store, race bib and packet pickup, sponsor booths from Bank of America, Gatorade, Boston Beer Co., Honda, Maurten, Marathon Tours & Travel, Abbott World Marathon Majors, plus dozens of other health, wellness, running gear, nutrition, and fitness vendors in the Marathon Marketplace. Free and open to the public. Operated by the Boston Athletic Association.