TracTrac is a free Android app that lets you track GPS-based events and clubs in real-time on your mobile device. The app offers a comprehensive list of events that includes past, present, and future races. It also provides a race list for each event, along with detailed performance information for each leg of the race.

The app's map view displays the race in both live and replay modes, and includes a leader line and rank. The replay control feature lets you watch past races at your convenience. Additionally, TracTrac offers a live leaderboard that allows you to sort and select competitors.

The app's performance table provides detailed information about each leg of the race, along with competitor information and performance data. Overall, TracTrac is a great app for anyone interested in tracking GPS-based events and staying up-to-date with the latest race information.