Kristen Tarabelsi of Winchester is running the Boston Marathon on behalf of the Glen Doherty Memorial Foundation on April 18. Glen Doherty, a Navy Seal, was killed during the attacks on Benghazi, Libya in 2013, and his family established the memorial foundation in his name. Funds raised provide scholarships and care for Special Operations professionals and their families.Tarabelsi, a triathlete and avid 13.1 runner, comes from a family committed to military service.