We have disclosed systems and methods for portable performance monitoring of an individual during a physical activity. The systems and methods may include a portable performance monitoring configured to be carried by the individual during the fitness activity. The portable performance monitoring device may include a display screen and a control unit. The systems and methods may also include a sensor configured to receive athletic performance data of the individual engaged in the fitness activity and communicate the athletic performance data to the control unit. The control unit may be configured to wirelessly upload the athletic performance data to a base station and wirelessly download athletic performance information determined by the base station based on the athletic performance data. The display screen may be configured to display the athletic performance information to the individual. The base station may also be configured to store the athletic performance data.
