Our members and guests love our social activities that range from brewery tours and hiking expeditions to pool parties and training for the BOLDERBoulder. Feel the difference when you walk through the doors of Colorado Athletic Club-Boulder as our friendly, dedicated staff greets you before you head off to our full-amenity locker rooms. Get energized in one of the many studios or fitness classes, where you'll be challenged and motivated by the best instructors in Boulder. Unwind at one of our happy hours, or hit the Royal Arch trail for a social hike with other members.