<p>The most noticeable difference at this year's Baltimore Running Festival will be see-through plastic bags.</p><p>In the aftermath of the Boston Marathon bombings, backpacks, fanny packs, cinch bags, computer bags and camera bags will not be allowed.</p><p>Event Director Lee Corrigan says there will also be more layers of security, but organizers are trying to strike a balance.</p><p>"Baltimore police, hats off to them, they recognize that. They recognize that we can't make this inconvenient for everybody. We have to do some things that aren't going to be so popular of course and there are some checkpoints and things like that, but they certainly know and will do everything they can to help move things along without too much inconvenience."</p><p><a href="http://www.abc2news.com/dpp/news/region/baltimore_city/boston-bombings-prompt-changes">Keep reading...</a></p>