adidas celebrates its 25th year as the official partner of the Boston Marathon with all new race footwear and apparel for the 117th race. After the successful launch of Boost midsole technology with an energy return unlike any other, adidas is providing a sneak peek of the latest iterations and is unveiling the adistar Boost and adizero Adios Boost during the marathon. Limited pairs of each shoe will be available exclusively at the adidas booth at the Boston Marathon Expo before they go on sale to the public in August and October. Whether you're running 26.2 miles or showing your support, adidas has you covered. Official Boston Marathon gear will be available at Boston Marathon Expo at the John B. Hynes Convention Center and adidas.com.