Personal Best Karate 38c Park St, Medfield, MA02052 Personal Best Karate offers a variety of martial arts classes designed specifically for adults to lose weight, improve…More fitness and learn personal protection. For children, the classes are geared toward empowerment with valuable life skills to succeed both mentally and physically. Personal Best facilitates the "Bully Guard" program, a schoolwide solution for proactively dealing with bullying in 29 school districts. Personal Best offers a private lesson trial program for anyone interested in trying the program. Call or visit the website to sign up for classes.