Physical activities beginners encounter difficulties in being accustomed to their new level of activity for lack of constant motivation in regular physical activities. In order to keep a high level of motivation, the selection of a proper training partner is of significant importance. At present, SNS (Social Networking Service) provides a perfect opportunity to successfully find such an appropriate partner. This paper proposes a methodology for organizing an online community based on the real world log. During training, users will have tiny loggers on, such as GPS (Global Positioning System) and/or HRM (Heart Rate Monitor). After training, users will send the log file from the hardware devices to the system. The system aims at automatically organizes the appropriate community to increase or keep their motivation. This paper reports the design and development of the referred system.