Regular workout at Chicago Hope Academy. $5 per session or $20 for the entire month -- a real bargain, since train twice a week. Locker room is available but bring your own towel and soap if you want to shower. Free parking in the lot on Ogden Ave. Enter by the main gym door on Bowler St.
See the map: http://photos4.meetupstatic.com/photos/event/2/a/d/2/highres_369130962.jpeg
You can also get there by CTA. Using the Blue Line El you get off at the Illinois Medical District stop and walk south on Ogden Ave about 4 blocks. You can also take the Bus #157 down Ogden to Taylor St.