So what do you do when you want to promote an application for the Apple iPhone? You of course dress up as a human Apple iPhone depicting said application and then enter the Boston Marathon, that’s what.

Well that is what’s happening today; apparently attendees of the Boston marathon will see a giant iPhone in the race to promote the iPhone application RunKeeper which is a GSP based fitness application for runners and cyclists.

RunKeeper for the iPhone comes in 2 versions a full app at $9.99 or a lite app for free, and we have a video clip of some of the behind-the-scenes action for you below.