The Trienens Performance Center features a fieldhouse with three practice courts, adjacent to Welsh-Ryan Arena. It also includes:

• Best-in-class athletic training and rehabilitation amenities
• Ultramodern strength and conditioning facilities
• Team meeting rooms with advanced teaching technologies
• Expanded performance nutrition hub
• Offices for men’s and women’s basketball
• Staff locker rooms

Additionally, Katz Field and Mogentale Training Facility, which are used for training for Northwestern's baseball and softball's programs, are housed inside of Trienens Performance Center.

The indoor space has hosted wrestling competitions as well.