Abstract: A system and method are provided for tracking race participants via a Global Positioning System, providing feedback in substantially real time to the race participant, and optionally to other remote individuals via web publication at the user's preference. The feedback includes graphical and tabular presentation of such information as geographic position, race route, current race performance metrics, projection of future milestone and final race performance, projected position at a given time, projected time to a given position, relative performance to historical participants, to personal historical performance and to other members of the current race that are being tracked in aggregate or by demographic or otherwise subdivided.