The Bonn-Rhein-Sieg University has a portal for students interested in participating in sports. The portal can be accessed via this link 
Additionally the University of Bonn has a sports programme (students must pay a fee to participate) which comes out at the beginning of each semester (see: www.sport.uni-bonn.de ). It includes numerous sports activities in which you can take part using facilities of the University of Bonn.
Through their proximity to the Rhein, the Siebengebirge mountains, the Eifel and High Venne region and the Nürburgring, the Cities of Sankt Augustin and Rheinbach offer excellent leisure opportunities. Culturally, too, the nearby cities of Bonn and Cologne offer a varied programme of activities, with their theatres, concert halls, museums and art galleries. The international Office organises each semeseter excursions and cultural events for international students