Mia Friedman, of Winchester, will run the 122nd Boston Marathon on April 16 as part of Team Metro Housing — a group of six runners who compete as part of the John Hancock Non-Profit Program. Team Metro Housing has had runners compete and raise funds through the Boston Marathon since 2006, having raised a combined $370,000 to prevent families and individuals throughout Greater Boston from becoming homeless and help households to transition from homelessness to stability.Friedman [...]