Nike+ Training allows you to add your Nike+ friends and compare your stats.
To add friends, navigate to the Friends tab within the Nike+ Training app. Click the "Add Friend" icon in the upper right-hand corner to access the Find Friends screen. In the Find Friends screen, you can add Friends three ways:
Note: The Nike+ Training App is no longer available for download in the iTunes App Store. If you are an existing user with the app already downloaded and installed, you can continue to use the app as you’ve done in the past. Be aware that if you have the Nike+ Training App installed and upgrade to iOS 8, you will no longer be able to use the app, as it isn’t compatible with iOS 8. For more information, please click here.