Train Anywhere with BoxMatrix®

BoxMatrix® is Marr Strength’s online training solution — giving you access to the same proven method we use with our athletes in Southlake, Texas. Whether you’re training remotely or just want to follow a structured system that works, BoxMatrix® delivers.

  • Matrix Essentials Programs

    Your Starting Point: Training Program designed to develop your balance, strength, and endurance.

  • Shoulder Matrix Program

    Exclusive Upper Body Program designed to develop strength and prevent injuries.

  • Workouts of the Day

    Updated workouts daily to contiune developing.

Who It Is For

BoxMatrix is for athletes, professionals, and everyday individuals who:

  • Can’t train at Marr Strength in person

  • Want to follow a proven, results-driven system

  • Value injury prevention, longevity, and performance

  • Prefer structure and progression in their training