Birken is a free Android app developed by Birken that aims to be your ultimate sports companion. It is designed for the Birkebeinerrennet, Birkebeinerrittet, Birkebeinerløpet, and Trippelen events. This app provides you with everything you need to know about these events, including news, event information, My Page, result lists, and live tracking.

The app's user interface is simple and easy to navigate, making it accessible for everyone. With Birken, you can stay up-to-date with the latest news and information about your favorite sporting events. You can also view the results of previous events and track the progress of current ones in real-time.

Overall, Birken is an excellent app for anyone who loves sports and wants to stay informed about the latest events and news. So, if you're planning to attend any of the Birkebeiner events, be sure to download this app and take advantage of all its features.