Home of CrossFit Williamsburg

David Marmon Audra Harrison

David Marmon Audra Harrison instructs the following:
  • Sport/Adult Fitness/Tactical
  • Please note that you must make your reservations 3 hours in advance of your scheduled time. Also, slots for each class will become unavailable if it fills up (5 athletes). You can opt to be put on the wait list if the class is full.

    We train elite athletes at every level. Marmon Muscle prepares athletes to get the most out of their bodies by increasing strength, endurance, and flexibility, leading to increased productivity and decreased injury. Training also includes nutritional consulting focused on improving their overall performance. Athletes work in small groups with coaches to maximize the learning environment and maintain athlete safety. We offer year-round training programs for the following sports: Baseball, Basketball, Field Hockey, Football, Golf, Gymnastics, Hockey, Lacrosse, Soccer, Softball, Swimming, Tennis, Track, Volleyball, Wrestling and more.
    • Youth & High School Program (6th-12th grade)
    • Collegiate Program
    • Combine Prep
    • Professional
    • Team Training
    Adult Fitness: 
    The game of life has no off-season. Responsibilities at work and home require your very best on a daily basis. We have the state-of-the art facilities and coaching staff that can change your life and transform the way you perform, look, and feel. Training sessions are done in a small group setting to give you optimal supervision and instruction. Whether your goal is to lose weight, live longer, get stronger, or run a 5k - Marmon Muscle can serve as your catalyst. 
    • Working Professionals
    • Stay-at-Home Moms and Dads
    • Retirees
    • Corporate Teams
    Preparation for Duty... and Life. Marmon Muscle's Tactical Training Programs address the unexpected challenges and conditions associated with today's Tactical Professional. Training sessions are done in a small group setting to give you optimal supervision and instruction. Our goal is to maximize work capacity, speed, agility, strength, power, and flexibility to help our tactical athletes succeed and more importantly, survive.
    • Military
    • Police
    • Firefighter
    • Tactical Group or Unit
    CrossFit 101:
    CrossFit 101 is an Orientation Program for Beginner Athletes

    Our CrossFit 101 course completely prepares beginners for our CrossFit group classes. The course is designed to set you up for success, teaching new CrossFitters the basic movements, skills, and nutritional knowledge they will need for our group classes, while giving our staff the opportunity to gradually introduce you to the program.

    Our 101 is a 10 session course that must be completed before you can participate in a general population WOD class. The 10 sessions must be scheduled and completed in a six week time span. Sessions are one hour in length and located at CrossFit Williamsburg. ALL SESSIONS MUST BE SCHEDULED 3 HOURS BEFORE START TIME.  

    Participation is MANDATORY for anyone that has not participated in 101 or an On-Ramp course at a CrossFit affiliate.

    The $250 program fee includes:

    10 private/semi-private sessions with a CrossFit Williamsburg coach
    Bodyweight/Body Composition Analysis
    Paleo/Zone Nutrition Packet
    Purchase a CrossFit 101 Package

    *No Refunds.
    *CrossFit 101 expires 1 year from date of purchase.
    For more information please contact Britta Marmon, brittamarmon@gmail.com.


  • CrossFit - WOD
  • CrossFit Williamsburg's Workout of the Day
    CrossFit is our large group, General Physical Preparedness program. It is broad, general, and inclusive by design. We incorporate a variety of training modalities such as weightlifting, running, rowing, strongman, and gymnastics to prepare people for LIFE. The secret to success of any CrossFit program is the community support an encouragement of your fellow athletes.

  • 757swim Strength & Conditioning
  • This training session is for ACTIVE members of 757swim (ages 14 and up).