CrossFit Boston is the fifth oldest CrossFit affiliate in the world, offering Community based fitness since 2005! We are proud to have a diverse commmunity, where ALL ARE WELCOME. At CFB you can expect an energetic, endorphin-boosting workout in a safe, inspiring and inclusive environment. Our team will ensure you are getting the stimulus that is appropriate for you today so you can achieve your fitness goals. Just show up ready to sweat and have fun, and we will take care of the rest.