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Polar Flow Web Service

The Polar Flow web service shows your activity goal and the details of your activity, and helps you understand how your daily habits and choices affect your well-being. Flow web service allows you to plan and analyze every detail of your training and learn more about your performance and progress. Set up and customize your A300 to perfectly fit your training needs by adding sport profiles and tailoring settings. You can also share the highlights of you training with your followers.

To start using the Flow web service set up your A300 at There you are guided to download and install the FlowSync software for syncing data between your A300 and the web service, and to create a user account for the web service. Also get the Flow app for your mobile for instant analysis and for easy data sync to the web service.


In Feed you can see what you and your friends have been up to lately. Check out the latest training sessions and activity summaries, share your best achievements, comment and like your friends' activities.


In Explore you can browse the map and see other users' shared training sessions with route information. You can also relive other people’s routes and see where the highlights happened.


In Diary you can see your daily activity, planned training sessions (training targets), as well as review past training results and fitness test results.


In Progress you can follow your development with reports. Reports are a handy way to follow your progress in training over longer periods. In week, month and year reports you can choose the sport for the report. In custom period, you can choose both the period and the sport. Choose the time period and sport for report from the drop-down lists, and press the wheel icon to choose what data you want to view in the report graph.

For support and more information about using the Flow web service, go to,