Independent performance coaching · Dallas

The work comes first.

Speed, strength, power, and education for competitive athletes and adults who want to perform at a higher level.

David Bernal B.S. Exercise Science · C.S.C.S.
Athletic Performance Specialist
Architectural concept for a future black 21 Strength and Performance training facility at dusk
The long game Future facility vision
21Before the ten

Earn the 10.

Before the iconic number, there was the work. The unglamorous reps. The discipline no crowd gets to see.

21 Strength & Performance draws from the path of footballers like Ronaldinho and Zidane—players who wore 21 before they became synonymous with 10. It is a reminder that identity is earned long before the spotlight arrives.

But the 10 is not only a jersey. It is the version of you that performs better—on the field, at work, at home, or in everyday life. You earn it the same way: show up, put in the work, and learn to love the process—not just the outcome.

Preparation before recognition. Standard before status.

Built to perform.

Individualized performance training that connects physical output with the understanding to own it.

01

Speed

Acceleration, movement quality, and repeatable mechanics that hold up under pressure.

02

Strength

Resilient, usable strength built around the demands of the athlete and the sport.

03

Power

Turning strength into decisive, game-ready output—with intent behind every rep.

Coaching forYouthAdultPro

The full performance system

Train the athlete, not just the session.

TrainingPurposeful work, progressed with intention.
RecoveryCapacity grows when recovery is part of the plan.
TestingMeasure what matters. Adjust what is not working.
NutritionFuel the work and the adaptation that follows.
MindsetConfidence built from preparation, not performance theater.

A standard you can wear.

The 21 mark carries the same message everywhere: the athlete before the applause, the process before the proof.

Front and back concept for a black 21 Strength and Performance training shirt

Ready to put the work in?

Tell me where you are, what you are training for, and what you want to change. We will start with the next right step.

Email 21 Strength
CoachDavid Bernal
Based inDallas, TX