Get fit with us! The Woodridge Park District offers several fitness options at the Fred C. Hohnke Community Center, which can be registered for using the links below. The ARC offers a variety of group exercise classes that are part of the ARC Fitness Membership or can be attended by purchasing a daily admission or group exercise punch card. You can also use the group exercise punch card at Woodridge Park District fitness programs held at the Community Center. Click here to learn more about ARC Group Fitness Classes.