Connect with us!

Welcome to The Big C Athletic Club, the premier fitness club in Concord and home to over 30 years of experience and expertise, where we make you feel at home!

Facebook Twitter

Be the first to get exclusive updates from us!


  • “A great club with dedicated staff, convenient location, good for the body and soul!”

  • “The no pressure, great classes, and family-like atmosphere!”

  • “Thank you, Big C family, for a fantastic Zumba class this morning. I am so happy to be part of this amazing family environment that this gym offers.”

More testimonials >



  • Valerie J. Santa Rosa, CA

    I joined Big C on the Groupon and now am a full time member. I think the club is great although I wish they would remodel the women's locker room (put in wider lockers that fit gym bags) and increase the water pressure in the showers. I love, love, l...

  • Kathy L. Martinez, CA

    I recently joined this club. I have been in many clubs but this is by far my favorite. The atmosphere is mature, and laid back. The club is clean and well worth the price. I wish they were open on Saturday nights and until 6:00 on Sundays-only reason...

  • Rick C. Austin, TX

    I recently had back surgery and was looking for a gym to help rehab my back. I thought I would have been okay with one of the big chain gyms but after visiting with the staff at Big C and touring the facility I am so glad that I made the investment a...

More reviews >

About Us

The Big C Athletic Club

Phone (925) 671-2110
Hours Mon, Tue, Wed, Thu, Fri: 5:30 am - 10:00 pm
Sat: 7:00 am - 6:00 pm
Sun: 8:00 am - 2:00 pm