I saw this just launched
http://www.nationofgo.com. It was built by OdoPod & Martin Agency in Richmond. It's a Flash mapping application with an iPhone / Blackberry app. You can track trails via GPS and upload photos and videos. I just got the app and might try it out this week. I ride Nitto but it looks cool
More:
http://www.youtube.com/user/nationof.../1/4-XGYl1cLMw