Apple iPhone (For iOS 6.1) - Manual (Page 108)

Chapter 29 Nike + iPod 108
Reset to the default calibration: Go to Settings > Nike + iPod.
Send workout data to nikeplus.com: With iPhone connected to the Internet, open Nike + iPod,
tap History, then tap “Send to Nike+.”
See your workouts on nikeplus.com: In Safari, go to nikeplus.com, log in to your account, and
follow the onscreen instructions.