Tempe, AZ — Personalized Fitness & Sport Psychology

Your Body. Your Mind. Your Best Self.

Expert corrective exercise, sport psychology, and personal training designed around you — not a one-size-fits-all program. Small changes, big results.

[Stock Photo: Trainer working with client on corrective exercises in a bright, welcoming studio]
15+
Years Experience
2x
Ironman Finisher
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[Stock Photo: Welcoming fitness studio interior with natural light, showing a personal training session]

Fitness That Feels Right — Not Intimidating

At Tri 2 B Fit, we believe everyone deserves to feel strong, confident, and pain-free. We don't believe in extreme programs or cookie-cutter plans. We start where you are and build from there.

Whether you're recovering from an injury, training for competition, or just want to move better in daily life, we create a path that's sustainable and personal. No judgment, no pressure — just results.

"It isn't about the big changes, it is about getting on a path to make small changes that impact your life." — Kelly Barnes, M.S., Founder

Personalized Care

Every program is built for your body and goals

Evidence-Based

Grounded in kinesiology and research

Welcoming Space

No egos, no intimidation — just support

Sustainable Results

Small changes that last a lifetime

Services Tailored to Your Goals

From injury recovery to peak performance, we have the expertise to help you move better, feel better, and perform at your best.

[Stock Photo: Close-up of movement assessment with trainer guiding proper form]

Corrective Exercise

Comprehensive movement analysis to identify tight and weak muscle groups, eliminate compensations, and reduce pain. We find the root cause — not just treat symptoms.

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[Stock Photo: Youth athlete training with proper form guidance from coach]

Sport Specific Training

Develop young athletes with proper movement techniques tailored to their sport. Build a foundation for long-term performance and injury prevention.

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[Stock Photo: Focused athlete in mental preparation, calm and confident]

Sport Psychology

Break through psychological barriers with expert consultation. Goal setting, mental performance strategies, and confidence building for athletes at every level.

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[Stock Photo: Personal training session with weights, warm and encouraging atmosphere]

Weight Loss & Fitness

Personalized training sessions (1 hour or 30 minutes), dietary analysis, and group training options. Real plans for real life — sustainable and effective.

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[Stock Photo: Small group fitness class with diverse participants exercising together]

Fitness Classes

Join our supportive group sessions designed for all fitness levels. Get the energy of a group workout with the attention of a personal trainer.

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[Photo: Kelly Barnes — professional headshot or action photo (Ironman, training, or with a client)]
2x
Ironman Finisher

Kelly Barnes, M.S.

Kelly Barnes is the founder of Tri 2 B Fit and brings a rare combination of academic expertise and real-world athletic experience to every client she works with.

With a Master's degree in Kinesiology from Arizona State University and a deep specialization in sport psychology, Kelly understands both the physical and mental sides of performance. She currently teaches Sport Psychology at ASU in the Professional Golf Management Program — sharing her passion for the mental game with the next generation of athletes.

Kelly was a Division I NJCAA athlete in both soccer and basketball, has worked as an Adventure Based Counselor, and has conducted research on exercise and cognitive function. She's also a two-time Ironman finisher (Lake Placid and Arizona) — so she knows firsthand what it takes to push through barriers, both physical and mental.

But what truly sets Kelly apart is her approach: warm, encouraging, and never intimidating. Whether you're a competitive athlete or someone taking their first steps toward better health, Kelly meets you where you are.

M.S. Kinesiology (ASU) Sport Psychology Consultant ASU Instructor 2x Ironman Finisher Div I NJCAA Athlete
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What Clients Are Saying

Real results from real people. Here's what it's like to train with Tri 2 B Fit.

"[Placeholder: Client testimonial about corrective exercise results — reduced pain, improved movement, life-changing experience with Kelly.]"

JD
Client Name
Corrective Exercise Client

"[Placeholder: Youth athlete parent testimonial — improved performance, great experience for their kid, Kelly's approach was perfect.]"

SM
Client Name
Sport Training — Parent

"[Placeholder: Weight loss / personal training testimonial — sustainable lifestyle changes, welcoming environment, amazing support from Kelly.]"

AR
Client Name
Personal Training Client

Ready to Start Your Journey?

Whether you have questions about our services or you're ready to book your first session, we'd love to hear from you. Reach out — no pressure, no obligation.

Phone
Location
625 S Smith Rd #12
Tempe, AZ 85281

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