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CrossFit 415 is a family owned gym located in the beautiful city of San Francisco (415). Our goal is to provide our client’s with the best training (CrossFit), the highest level of customer service and an environment that is fun and encouraging. It doesn’t matter what fitness level you are at, just show up for your FREE complementary session and let the fun begin!

10 Components of Fitness

There are ten recognized general physical skills, and they are all practiced regularly with CrossFit. You are as fit as your competency in each of these ten skills.

Improvements in endurance, stamina, strength, and flexibility come about through training. Training refers to activity that improves performance through a measurable organic change in the body. (1 – 4) By contrast improvements in coordination, agility, balance, and accuracy come about through practice. Practice refers to activity that improves performance through changes in the nervous system. (7 – 10) Power and speed are adaptations of both training AND practice.(5 & 6)
  • 1
    Cardiovascular / respiratory endurance The ability of body systems to gather, process, and deliver oxygen.
  • 2
    Stamina The ability of body systems to process, deliver, store, and utilize energy.
  • 3
    Strength The ability of a muscular unit, or combination of muscular units, to apply force.
  • 4
    Flexibility The ability to maximize the range of motion at a given joint.
  • 5
    Power The ability of a muscular unit, or combination of muscular units, to apply maximum force in minimum time.
  • 6
    Speed The ability to minimize the time cycle of a repeated movement.
  • 7
    Coordination The ability to combine several distinct movement patterns into a singular distinct movement.
  • 8
    Agility The ability to minimize transition time from one movement pattern to another.
  • 9
    Balance The ability to control the placement of the body’s center of gravity in relation to its support base.
  • 10
    Accuracy The ability to control movement in a given direction or at a given intensity.


Why CrossFit?






World-Class Fitness in 100 Words


"Eat meat and vegetables, nuts and seeds, some fruit, little starch and no sugar. Keep intake to levels that will support exercise but not body fat. Practice and train major lifts: deadlift, clean, squat, presses, clean and jerk, and snatch. Similarly, master the basics of gymnastics: pull-ups, dips, rope climbs, push-ups, sit-ups, presses to handstand, pirouettes, flips, splits, and holds. Bike, run, swim, row, etc, hard and fast. Five or six days per week mix these elements in as many combinations and patterns as creativity will allow. Routine is the enemy. Keep workouts short and intense. Regularly learn and play new sports." ~ Greg Glassman, CrossFit CEO and Founder

crossfit 415 Zain Elmarouk san francisco trainer
Meet Your Trainer

Zain Elmarouk

Fitness has been a part of my life from a very young age. In my youth, I played basketball, football and track. After high school, I joined the United States Marine Corps where I increased my understanding of what intensity, dedication, and persistence meant. In 2006, I pursued my dream of becoming a Personal Trainer. While training at another gym, I came across the workout concept called CrossFit and I felt like my education, techniques, and my military background were brought together through this method. Soon after I opened my own gym and the rest is history. I LOVE what I do and I bring that to every class I teach. Whether I am working 1:1 or teaching a group, I promise to offer individualized attention and a workout that will leave you smiling, strong, and sweaty.

Get Started

Contact us to set up your first session
Print out Release of Liability Form
and
Medical Par-Q Form
Show up and have fun!
First class is always free

Contact Us Today

  • Operating Hours:

    Monday 6am to 9pm
    Tuesday 6am to 11am
    Wednesday 6am to 9pm
    Thursday 6am to 11am
    Friday 6:00am to 12:00pm
    Saturday 8am-5pm
    Sunday Closed
  • Address:

    1278 Indiana St. Suite 100
    San Francisco, CA 94107
    USA
  • Telephone:

    (415) 724-9718
  • Email:

    Trainwithzain@gmail.com