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Transform Your Fitness Journey with 3D Fitness in Tustin
At 3D Fitness, we are dedicated to transforming lives through dynamic, high-intensity interval training in a welcoming environment. Founded by Chris and Nancy Hargreave, our boutique studio combines expertise in fitness and customer service to deliver personalized small-group classes. Our ever-changing workouts challenge individuals at all fitness levels while fostering a supportive community. With over a decade of combined experience, we prioritize innovation, ensuring each 45-minute session includes diverse movements like pushing, pulling, cycling, and rowing.

Our mission is to create a non-intimidating space where strangers become friends, and every member feels motivated to achieve their goals. We emphasize convenience through flexible scheduling, pre-class consultations, and clear guidelines for first-time attendees. Our commitment to quality is reflected in our members' testimonials, highlighting measurable progress, increased strength, and a positive gym family atmosphere.
Services
HIIT Classes Small Group Training Personalized Workouts Community Fitness Dynamic Training
Highlights and features
  • We offer expert-led HIIT classes with personalized intensity adjustments
  • Our workouts change daily to prevent plateaus and maintain engagement
  • Founders bring combined fitness and business expertise to every session
  • We foster a welcoming community that keeps members motivated long-term
  • Flexible scheduling available with early morning and evening time slots
What people say
Supportive community Visible progress Varied workouts Expert trainers Non-intimidating environment
Services
HIIT Classes
Our high-intensity interval training sessions combine functional movements like pushing, pulling, and cycling in 45-minute classes. Each session includes varied exercises to challenge all fitness levels while preventing workout plateaus. Designed to improve strength, endurance, and overall fitness through dynamic, coach-led instruction.
Small Group Training
Boutique-style group sessions maintain a low trainer-to-member ratio for personalized attention. Classes accommodate different intensity levels while fostering peer motivation and accountability. The structured environment ensures proper form and technique during complex movements.
Community Fitness
We cultivate a welcoming atmosphere where members form supportive relationships through shared fitness goals. Regular participants describe our studio as a 'second family' that enhances motivation and long-term commitment to health. The non-intimidating environment welcomes all experience levels.
Dynamic Training
Daily changing workout routines prevent monotony and challenge different muscle groups systematically. Programs incorporate equipment like rowers, sleds, and resistance bands for comprehensive fitness development. This approach maintains member engagement while optimizing physical adaptation.
Personalized Workouts
Instructors modify exercises to match individual fitness levels while maintaining class structure. Members receive guidance on intensity adjustments without compromising workout effectiveness. This approach ensures safe progression for beginners and advanced participants alike.
People
Chris Hargreave
Co-Founder & Head Trainer
With extensive fitness industry experience, Chris designs our HIIT programs and leads training sessions. His expertise in functional movements ensures safe, effective workouts for all participants.
Nancy Hargreave
Co-Founder & Operations Director
Nancy manages studio operations and member relations, leveraging her business and customer service background. She contributes to workout planning and maintains our welcoming community atmosphere.
Questions
What should I bring to my first class?
Please bring a towel, water bottle, and arrive 15 minutes early for your first session. No special equipment required - just comfortable workout attire.
Are there any membership commitments?
We offer flexible booking with no long-term contracts. Try our free trial class before committing to any package or membership plan.
How are workouts structured?
Each 45-minute session includes warm-up, skill development, and high-intensity intervals. Workouts change daily to challenge different muscle groups and prevent plateaus.
Can beginners participate?
Yes! Our trainers modify exercises for all fitness levels. Many members started with no prior fitness experience and progressed safely within our community.
What makes 3D Fitness different?
We combine expert coaching with a supportive environment where members motivate each other. Our varied programming ensures continuous challenge without workout monotony.