Nike has released an update to its Nike+ GPS fitness app for the iPhone and iPod touch adding the ability to sync recent runs across devices, Nike+ Maps integration and several other enhancements. With Nike+ GPS 3.2, users can now synchronize their last 30 runs to their device from NikePlus.com along with cumulative statistics and other related records allowing users to easily synchronize their workout data from other iOS or Nike+ devices. The update…