Boston’s National Bike to Work Day Festival celebrates National Bike to Work Day. It's our way of saying, “Thanks for riding your bike today.” We think it’s important to celebrate everyone who rides in Boston. We also want to make it fun for experienced and new bike commuters by organizing convoys and a festival. We celebrate from 7 to 9 a.m. Because you rode your bike, you’ll get a free breakfast and coffee amid an expo in downtown Boston. Join…