MEMBERSHIP The primary purpose of the MWRA is to foster and promote the development of the sport of racquetball at the competitive level throughout the state of Maryland and the District of Columbia. Dues are renewable every year and include membership in the MWRA and USA Racquetball (USAR). By becoming an MWRA member, you will receive the USAR's bi-monthly publication, "Racquetball Magazine." Join the USAR/MWRA today.