Get Real Results Efficiently & Effectively.

Whether taking a group class, working with a trainer, or exercising on your own, RNG is designed to get you real results in the most efficient and effective manner possible. Whether an experienced or a first-time exerciser, we have the right fitness options for you!

The Sweat Principle

Group Training reinvented. 45-minutes of customized programming is what it takes to change how you look and feel in every aspect of your life.


River North Gym has it all. We offer strength, cardio, and free weight equipment, as well as functional training and power lifting areas.

Personal Training

Offering individualized and semi-private training sessions, as well as our signature Small Group Training program, 'The Sweat Principle'

Group Fitness

Offering more than 35 free group fitness classes weekly, including HIIT, Barre So Hard, Les Mills BODYPUMP & CXWORX, Yoga and much more!

What People Are Saying

"The equipment and facility are always clean and the staff are extremely friendly. Plus, the cost of this gym is SUPER reasonable! RNG has good vibes, no judgement, and everything you need to get in an effective workout!"

"The Sweat Principle has helped me more than I can imagine. My clothes aren't as tight, I can touch my toes when I stretch and I've lost weight. Overall, the staff at RNG is very supportive. You feel a very positive vibe when you walk in."

"I've belonged to at least 4 gyms in the past 10 years, and this gym is by far the best. The atmosphere is great - very clean and at times I feel like I'm working out at my very own gym. The locker room is also very clean and I never feel uncomfortable there."

"This is the best gym in the city! At RNG you'll find the best community to workout with and motivate you. I immediately felt I belonged there...and if you're looking for a trainer, you'll meet the right one to push you way pass your goals and make you love the pain!"

"Other gyms should strive to have the appearance, staff, wealth of knowledge and most importantly, personable atmosphere and friendliness that you all provide here."

Our certified trainers
are here for you

Meet Our Trainers