A person in a Mariposa, CA gym, surrounded by gym equipment and weights.
A person in a Mariposa, CA gym, surrounded by gym equipment and weights.

Build strength. lose fat. gain confidence.

Personalized coaching for busy adults who want lasting results.

Meet Your Coaches

I’m a NASM Certified Personal Trainer, wife, and mom of four who knows how hard it can be to prioritize your health while balancing a busy life. After transforming my own health through strength training and sustainable habits, my husband and I created Peck Strength to help others build confidence, get stronger, and create lasting results—with fitness that fits your life.

Coach Sarah

At Peck Strength, we help people at every stage of their fitness journey. Whether your goal is to lose weight, build muscle, increase strength, improve mobility, or simply feel healthier, we’ll meet you where you are and create a plan designed specifically for you.

We help clients who want to:

  • Build strength and confidence

  • Lose fat and improve body composition

  • Gain muscle

  • Improve endurance and cardiovascular fitness

  • Increase mobility and flexibility

  • Reduce aches and pains through better movement

  • Create sustainable nutrition habits

  • Stay accountable and consistent

Looking for something a little different? Beyond personal training, we also offer dance conditioning and private dance instruction. With backgrounds in competitive dance, professional ballroom, and dance instruction, we help clients improve strength, coordination, balance, flexibility, musicality, and confidence—whether you’re preparing for the stage, the dance floor, or simply want to learn something new.

Who we help

I am passionate about helping others build strength, confidence, and healthy habits. As I work toward becoming a NASM Certified Personal Trainer, I’m expanding my knowledge of exercise science and coaching to better support clients on their fitness journey.

Coach Zack

In-Person, Online & Hybrid Coaching

Online coaching

Personalized online coaching designed to for you and your BODY. Establish your baseline and progress from there. Ongoing training support with program adjustments made as needed.

Includes:

✔ Customized workout program through Everfit

✔ Monthly accountability check-ins

✔ Progress tracking

✔ Ongoing coach support

✔ Exclusive access to the Peck Strength Workout Playlist

Starting at $99/month

in-home training

Personalized in-home training (Mariposa, CA & Oakhurst, CA areas) offers the convenience of professional guidance in the comfort of your own space, eliminating travel time and making it easier to stay consistent with your fitness goals.

Includes:

✔ Customized Workouts

✔ One-on-One Coaching

✔ Exercise Modifications as Needed

✔ Accountability & Support

✔ Progress Tracking

Starting at $85/session

gym session

The complete coaching experience for Mariposa, CA locals. Ideal for clients who want comprehensive support and maximum training time, in gym setting. Express, Focused & Premium options available. Ask about our monthly packages.

Includes:

✔ Warm-up

✔ Strength training

✔ Movement coaching

✔ Conditioning

✔ Recovery guidance.

Starting at $45/session

Client success stories

"Just wanted to say...I felt soooo good today. I had the best day and I know it's because of the workout, so thank you! I feel sore in the sense I know I pushed my body, but it's not unbearable."

— Ali K.

“I’ve completed every workout and I am already feeling stronger! I feel so energized after my workouts too. I have such a busy schedule and am constantly planning my days and organizing tasks. It is so nice to just open the app and have my workout planned and ready! Having one less thing to think about and I can just do it has been so helpful for me! Thank you!”

- Emily G.

“This kickoff is absolutely perfect! It was a great way to learn how the app works.”

-Jessica S.

Real Coaching. Lasting Results.

At Peck Strength, we believe fitness should fit your life—not take it over. Whether you’re stepping into the gym for the first time, starting your strength journey at home, or working toward your next personal best, every program is designed to help you move better, grow stronger, and build confidence that lasts.

A man at the gym pulldown weights while seated, wearing a black t-shirt with 'Peck Strength' logo, in a Mariposa, CA gym with weight racks and equipment in the background.

Your comprehensive assessment is a structured evaluation to establish baseline metrics, clarify your goals, and outline a roadmap toward evidence-backed performance enhancement.

During your assessment we’ll measure strength, mobility, movement quality, and body composition; review training history and lifestyle factors; and set specific, measurable targets.

You’ll leave with clear priorities, actionable next steps, and a personalized plan, whether you choose in-person, online, or hybrid coaching, to accelerate your progress.

Schedule a Comprehensive Assessment

A woman performing a squat exercise with a weight on her shoulders inside a Mariposa, CA gym, with equipment and weights visible in the background.

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Follow along for fitness education, nutrition tips, motivation, and updates from Peck Strength as we continue to grow.

Ready to take the first step?

Whether your goal is to lose weight, build strength, improve nutrition, or feel healthier, we’ll discuss your goals, answer your questions and help you determine the coaching option that’s right for you.

Medical Support through EllieMD.

Smiling woman holding a paddle with 'Longevity Social Club' logo on a tennis court in black and white

Lasting results come from more than medication alone. Through our partnership with EllieMD, eligible clients can access medical weight-loss and wellness services, through licensed medical providers. Peck Strength compliments that care with personalized fitness, nutrition, and accountability coaching to help you build healthy habits that last.