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We are located in Fairfax Virginia

2720 Prosperity Ave Suite 400-1 Fairfax, Virginia 22031

Email Us:    or Call: 703-645-0751




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Mary Brennan

Hello and welcome to CrossFit Merrifield in Fairfax Virginia. CrossFit Merrifield's mission is to build a community and provide a progression of fitness training built for everyone. Based in Merrifield Virginia our community of athletes, friends and family include everyone from the first time CrossFitter, kids, teens, to the experienced athlete. We make every one of our programs, in addition to CrossFit, accessible to all and provide a Progressive Training Model (PTM) that will accelerate and maintain your physical fitness at any level. CrossFit Merrifield will push you to achieve your goals and test your limits. We celebrate your victories with you and lift you up when you are struggling.  Before you know it you will be doing things you never imagine possible like climbing a rope, stringing together a bunch of muscle ups, and setting new Personal Records with Olympic Lifts. Our Fairfax Virginia, Maryland and DC members and coaches support each other, and together we support the community. Through our shared experiences we will grow together as athletes, individuals, and a community.


How our Progressive Training Model will help you achieve your goals:

1.) Our Foundations program is compromised of 2 courses Level one (L1)  and Level two (L2) which are four classes each and dedicated to teaching you the techniques and skills necessary to maintaining your safety and maximizing your results in our regular WOD (workout of the day) classes.

2.) Our Olympic Lifting program is one of our signature PTM courses that will enable you to take your WODs to the next level by ensuring you have the proper technique to safely execute the Olympic Lifts.  When you have completed the O1 and O2 courses you are eligible for a 5% discount on your unlimited CrossFit membership and can join our Olympic Lifting Club.

3.) Our coaches are trained in human anatomy and physiology and hold a variety of personal training, CrossFit, Olympic Lifting, and other fitness related certifications. We understand human movement and how to safely and effectively train all levels of fitness.  We have several courses in the Progressive Training Model and all of our trainers must complete these courses prior to becoming a coach with us. Please contact us for more info at This email address is being protected from spambots. You need JavaScript enabled to view it.  if you have any questions on PTM or our coaching qualifications.

4.) We pay attention to our athletes - to their strengths, skills, weakness and individual circumstances. We scale each WOD for each individual. All of our CrossFit classes are a full hour and composed of a Warm Up, Strength/Skill component, the WOD, and a cool down stretch to finish things up.  The staff at CrossFit Merrifield is here to support, train, teach and motivate you during the WODs or any program you are engaged in. Sure, they will cheer you on and inspire you to work hard, but they will also actively cue, correct, and instruct you even during the most heart pounding of workouts or calming yoga class.