Johnson's Core Fitness Training Studio
St. Charles, Illinois

Transform Your Fitness
Through Group Training

Partner, triple, and small group coaching with our proven Hybrid Training System. Expert guidance, built-in accountability, and results-driven programming.

Training Options

Choose the training format that fits your goals and lifestyle. All programs use our proven Hybrid Training System for measurable, sustainable results.

Individual Training

1-on-1 Coaching

Personalized one-on-one coaching with complete attention focused on your specific goals and needs.

  • 100% personalized programming
  • Maximum coaching attention
  • Flexible scheduling
  • Customized progression
POPULAR

Partner Training

Doubles

Train with a partner for personalized coaching in a motivating small setting. Built-in accountability and high energy.

  • Customized hybrid programming
  • Shared goals and motivation
  • Expert coaching attention
  • Flexible scheduling

Triple Training

Groups of Three

Perfect balance of personalized attention and team energy. Structured programming with accountability.

  • Small group dynamics
  • Individual progress tracking
  • Cost-effective coaching
  • Community support

Small Group Training

Quadruples

Team-based motivation with structured hybrid workout programs. Weekly performance goals and group accountability.

  • Strength and conditioning balance
  • Team motivation
  • Structured weekly progression
  • Community-driven results
Our Methodology

The Hybrid Training System

A structured strength-conditioning system designed to build muscle, improve metabolic work capacity, enhance movement quality, and deliver sustainable performance—without relying on traditional cardio-based training.

Program Structure

  • Different training goals each class
  • Structured weekly progression
  • Programs built around strength, conditioning, and performance
  • Consistent, measurable results over time

Hybrid Strength Elements

  • Barbell and dumbbell strength development
  • Single-limb strength and stability work
  • Corrective exercise and movement refinement
  • Core strength and joint integrity
  • Strength endurance in timed formats

Performance Tracking

Progress is measured through volume, control, and durability rather than maximal loading. This system is scalable for all clients, especially those with limitations.

Same weight, more reps completed
Same exercises, more rounds achieved
Higher total volume within same time window
Improved technical execution under fatigue

Tempo training and time under tension are key progression tools. Slower controlled repetitions improve muscle development, reinforce joint positioning, and reduce injury risk.

Meet Your Coaches

Expert coaching with decades of combined experience in strength training, rehabilitation, and performance programming.

Brian Johnson

Brian Johnson

Owner

With over 25 years of experience in personal training and fitness coaching, Brian has helped hundreds of clients transform their lives through structured, results-driven programs.

Brian founded Johnson Core Fitness with a mission to provide expert guidance, personalized programming, and a supportive environment where clients can achieve sustainable results. His philosophy centers on building strength, improving mobility, and creating habits that support long-term success.

Sam Flores

Sam Flores

Group Training Coach

Sam holds a Bachelor's degree in Kinesiology with an emphasis in Corrective and Rehabilitative Exercise Science from Northern Illinois University. He began his career working alongside a board-certified chiropractic physician, serving as an Exercise Therapist administering manual therapy, corrective exercise, and rehabilitative programming.

With over 20 years of experience in the healthcare and fitness industry, Sam blends rehabilitative expertise with performance-based strength training.

N.E.S.T.A. Certified
TRX Sports Medicine Level 1 & 2
Strength & Conditioning Specialist

"My philosophy centers on resilience, discipline, and pushing past limits. I help clients overcome physical and mental barriers, turning obstacles into opportunities for growth."

Our Training Facility

A fully-equipped training studio in downtown St. Charles with professional-grade equipment and a motivating environment.

Training Studio Overview
Training Equipment
Strength Training Area
Training Space
Equipment Detail
Full Studio View

Simple, Transparent Pricing

Choose the training format that fits your budget and goals. All options include expert coaching with our proven Hybrid Training System.

Individual

1-on-1 Training

Contact
for pricing
  • 100% personalized programming
  • Maximum coaching attention
  • Flexible scheduling
  • Customized progression
  • Private sessions

Doubles

Partner Training

$70 / session

$35 per person

  • Customized hybrid programming
  • Expert coaching attention
  • Built-in accountability
  • Flexible scheduling
  • Progress tracking
MOST POPULAR

Triples

Groups of Three

$85 / session

$28.30 per person

  • Small group dynamics
  • Individual progress tracking
  • Team motivation
  • Cost-effective coaching
  • Community support

Quadruples

Small Group

$100 / session

$25 per person

  • Team-based motivation
  • Structured programming
  • Weekly performance goals
  • Best value option
  • Group accountability

All pricing is per session. Contact us to discuss package options and scheduling.

Why Choose Johnson Core Fitness

Goal-Driven Programming

Hybrid strength conditioning programs built around your specific goals and conditioning level

Expert Coaching

Decades of combined experience in strength training, rehabilitation, and performance

Built-In Accountability

Partner and group training formats keep you motivated and consistent

Structured Progression

Weekly performance goals with measurable results over time

Proven System

Hybrid Training methodology designed for sustainable, long-term results

Scalable for Everyone

Programs adapt to all fitness levels and limitations through volume and control

Ready to Get Started?

Contact us today to learn more about partner training, triple training, or group hybrid strength conditioning programs.

Call or Text

(630) 935-7616

Visit Us

115 E Main St
St. Charles, IL 60174