BA studies curriculum includes 120 hours of sports courses which students can register for during three years of studying. According to Ordinance No 13 of The Rector of The University of Warsaw on physical education classes the students are obliged to pass 90 hours of sports courses and are entitled to another 60 hours free of charge after completing the required courses. It should be understood then that from the 120 hours mentioned in the Programme of BA studies 90 hours are obligatory to every student and additional 60 hours can be chosen free of charge.
The detailed information in English on the available courses and the way to register for these classes are provided by Physical Education and Sports Centre (SWFiS), who organises the courses for all university students. Check the information here.