Corey’s Gym is a Functional Fitness Gym where our commitment to your health and fitness shows in every workout. We teach you the skills and habits that will change your life. Make no mistake, Functional Fitness is hard! It requires dedication, perseverance and mental toughness as you take on these rigorous workouts of the day. The skilled, educated coaches will guide you every step of the way as you watch your inner athlete emerge!


Corey Barnes – Owner/Coach

Corey, a Level 2 CrossFit Coach and a personal trainer since 1995, began lifting weights in 1986. She has run a marathon, several half marathons and too many 10ks to count. Nowadays Corey CrossFits, competes in Olympic Weightlifting and runs the trails for fun.

Corey has been coaching CrossFit athletes in San Rafael since 2008. Her ability to instill confidence and skill in the beginner and to fine-tune the experienced athlete has become Corey’s trademark as a coach.

Her beliefs are simple; treat people with respect and help them define and reach their goals for physical fitness, whatever those may be.

CrossFit Level 2 Coach
USA Weightlifting Level I Sports Performance Coach
USA Weightlifting Certified Referee

Seminars Include:
CrossFit Barbell
CrossFit Olympic Weightlifting
CrossFit Pose Running
Hip Movement/Injury with Kelly Starrett – 2009
Sports Injury Prevention with Kelly Starrett – 2009


Will Barnes – Coach

Will, a CrossFit athlete since 2008, is drawn to the Olympic Lifting and competition aspect of CrossFit. He competes in several Oly meets a year. Will has an uncanny ability to correct a movement with the exact cue needed to help the athlete maintain proper technique and form. His enthusiasm is contagious and he brings out the very best in all of the athletes he coaches.

Will is a captain for Alcatraz Cruises. In his spare time, he is either surfing, snowboarding, waterskiing or wake boarding. When you attend one of Will’s classes, know that you are in skilled and competent hands.

CrossFit Level 1 Certified