We have disclosed a system for sharing information about a first individual who has engaged or is engaging in a first physical activity. The system may include a first portable performance monitoring system that is capable of being carried with the first individual during the first physical activity. The first portable performance monitoring system may include a first processor configured to determine first performance information for the first individual and a transmitter configured to transmit the first performance information. The system may also include a second portable performance monitoring system that is capable of being carried with a second individual during a second physical activity. The second portable performance monitoring system may include a receiver configured to receive the first performance information and a second processor configured to generate display data based on the first performance information.