Private Strength and Weight-Loss Coaching in Costa Mesa

Your personal trainer in Costa Mesa. Strength, weight loss and nutrition coaching for women 35 to 65. In your home, or at either studio – Newport Beach or Irvine, both minutes from Costa Mesa.

500+

TRANSFORMATIONS

15+

YEARS EXPERIENCE

5

GOOGLE RATING

The Personal Trainer Costa Mesa Women Have Been Looking For

Costa Mesa runs on people who build things, small businesses on 17th Street, studios, shops; Mesa Verde and the Eastside. The women I work with here tend to be the ones holding several of those things together at once, and the first thing that gets dropped when the week gets full is the hour that was supposed to be theirs. That’s the problem I solve. I’m Jennifer Winestorfer. ISSA Master Trainer, Certified Nutritionist, Ironman World Championship athlete, mother of two. I train Costa Mesa clients in their own homes with equipment I bring, and my Newport Beach studio is close enough that a session doesn’t eat your afternoon. That proximity is the whole point: the plans that survive are the ones with the least friction between deciding and doing. Every program is built around your goals, your body, and your life. No cookie cutter plans, ever.  

Strength Training in Costa Mesa

Strength training is the piece most women over 35 are missing, and it’s the piece that changes the most: bone density, metabolic rate, how you feel carrying things, how you age. Group classes and circuit gyms rarely deliver it, because progressive overload needs someone tracking what you lifted last week. I program Costa Mesa clients individually and track every session. Beginners start with movement quality — hinge, squat, press, pull — before load enters the conversation. Experienced lifters get a real progression rather than a shuffle of exercises. Everything is built around your joints, your history and the recovery you actually get, not a template. Train at home in Costa Mesa, at the Newport Beach studio or at the Irvine studio near John Wayne Airport, whichever gets you there consistently.  

Weight Loss, Nutrition & Health Coaching in Costa Mesa

Weight loss after 35 is a different problem than weight loss at 25, and most programs sold to women in their forties are still solving the younger problem. Metabolism shifts, sleep gets worse, stress hormones stop cooperating, and cutting calories harder makes all three worse. As a Certified Nutritionist I coach Costa Mesa clients on the version of this that survives contact with a real life: enough protein to hold onto muscle while fat comes off, meals that work whether you’re cooking at home or eating on 17th Street, and a training plan that supports the nutrition rather than fighting it. No elimination lists, no food you’re not allowed to enjoy.  

How Training in Costa Mesa Actually Works

Where: Your home in Costa Mesa, or my Newport Beach or Irvine studio, or online.
Newport Beach Studio: 120 Newport Center Dr #7002, Newport Beach, CA 92660
Irvine Studio: 17821 Skypark Circle Suite J, Irvine, CA 92614
How long: Sessions are 60 minutes.
What it costs: In-home training starting at $125. Studio training rates starting at $99.
What happens first: A free consultation. A conversation, not a sales call.
Call or text: (949) 432-6940 · Mon–Fri 6:00 AM–8:00 PM, Sat 10:00 AM–4:00 PM
Response time: Within 24 hours.

♥ WHAT I OFFER

Coaching That Meets You Where You Are

Every program is built around your goals, your body, and your life. No cookie cutter plans.

Strength training for women 35 to 65 - JenCalling - Jennifer Winestorfer ISSA Master Trainer

Strength Training

Progressive strength training designed for women 35 to 65 build lean muscle, improve bone density, and feel powerful in your body again.

Women's weight loss and body toning coaching Newport Beach CA — JenCalling

Weight Loss

Designed for women ages 35 to 65 navigating hormonal shifts, stress, and changing metabolism.

Cardio fitness training - JenCalling - Jennifer Winestorfer ISSA Master Trainer

Cardio

Cardio fitness is programmed intentionally to support heart health, fat metabolism, and stress regulation.

PNF assisted stretching Newport Beach CA — JenCalling certified trainer

PNF Assisted Stretching

PNF Assisted Stretching restores mobility and reduces chronic tension for inactive individuals, recreational exercisers, and competitive athletes alike.

Sports conditioning and triathlon coaching in Orange County — JenCalling - Jennifer Winestorfer ISSA Master Trainer

Sports Conditioning

Performance based training for amateur through professional athletes seeking longevity and intelligent progression.

Senior fitness training: balance, strength and fall prevention - JenCalling - Jennifer Winestorfer ISSA Master Trainer

Senior Fitness Training

Senior fitness focuses on maintaining independence, balance, and confidence in daily movement.

Corporate Wellness - JenCalling - Jennifer Winestorfer ISSA Master Trainer

Corporate Wellness

Employee wellness directly impacts productivity, focus, energy, and long-term performance
Active Aging Senior Fitness - JenCalling - Jennifer Winestorfer ISSA Master Trainer

Active Aging Fitness & Wellness Programs

Today’s retirement communities are home to individuals who want to stay active, independent, and engaged in their daily lives.
Nutrition Coaching - JenCalling - Jennifer Winestorfer ISSA Master Trainer

Nutrition Coaching

Nutrition coaching can feel confusing, overwhelming, and restrictive, especially with so much conflicting information.

♥ Meet Your Coach

Hi, I'm Jennifer

I’m a 48 year old mother of two, ISSA Master Trainer, Ironman World Championship triathlete, and NPC Masters competitor based in Newport Beach. I’ve helped 500+ women transform their relationship with fitness, nutrition, and their bodies. My approach isn’t about quick fixes it’s about sustainable strength, self compassion, and building a life you love from the inside out.

"Start where you are with the body you have today. Strength training transformed my life, and I know it can transform yours too."

— Jennifer, Founder of JenCalling

Jen also trains clients in nearby Newport Beach, Huntington Beach and Irvine. The most requested programs from Costa Mesa are strength training for women, weight loss and toning and menopause and perimenopause training.

♥ Real Results

What Clients Are Saying

Don’t take my word for it  hear from women who’ve transformed their lives.

Frequently Asked Questions

Jennifer Winestorfer of JenCalling provides personalized training for women ages 35 to 65 in Costa Mesa. Her programs may combine strength training, cardio, mobility, nutrition education and accountability around the client’s goals and stage of life. Jennifer is an ISSA Master Trainer and Certified Nutritionist with more than 15 years of experience. Costa Mesa clients can train at home, at her nearby Newport Beach or Irvine studio, online, or through a hybrid program.

Yes. Jennifer provides private in-home personal training in Costa Mesa and brings the equipment planned for the session. Beginners start with an assessment and clear instruction in foundational movements before more resistance or complexity is added. Training can take place in a living room, garage, backyard or appropriate community fitness space. The goal is to create a supportive starting point without requiring the client to enter a crowded gym.

JenCalling works with Costa Mesa women navigating midlife body-composition changes, perimenopause and menopause. Jennifer combines progressive strength training, appropriate cardio, recovery and sustainable nutrition habits to support fat-loss and strength goals without extreme dieting. Results vary, and the program does not diagnose or treat hormonal conditions. Menopause symptoms, hormone therapy and other medical concerns should remain under the care of a qualified healthcare professional.

Costa Mesa clients can train in their own homes with equipment Jennifer brings. They may also use JenCalling’s Newport Beach studio at 120 Newport Center Drive, Suite 7002, or the Irvine studio at 17821 Skypark Circle, Suite J. Online and hybrid coaching are available for clients who travel or need a mixture of in-person sessions and independent workouts.

Progressive strength training can support lean muscle, bone health, balance and everyday function after 40. Jennifer teaches technique first and increases resistance according to the client’s current capacity, recovery and goals. Programs are individualized instead of copied from a class template. A client with osteoporosis, an injury or medical restrictions should obtain and share appropriate clinician guidance so the fitness plan can be adapted responsibly.

Yes. Jennifer provides senior fitness and active-aging training for Costa Mesa clients who want to remain strong, mobile and independent. Sessions may include supervised strength, balance, mobility and practical movements used in daily life. In-home training can be especially useful for an older adult who does not want to navigate a gym. Family members may join the initial discussion, and clinician or physical-therapy instructions can be incorporated within personal-training scope.

Yes. Jennifer can combine personal training with fitness-focused nutrition coaching around protein, meal structure, energy, recovery and sustainable routines. This helps the exercise and nutrition plan support the same goal instead of competing with each other. Jennifer is an ISSA Certified Nutritionist. Her coaching does not replace medical nutrition therapy, diagnosis or treatment from a physician or registered dietitian when those services are appropriate.

The first step is a complimentary discovery call with Jennifer. She will learn about your goals, experience, location, schedule and preferred training environment. If the fit is right, she will explain the assessment, current coaching options and investment before you enroll. Pricing varies by frequency and whether training is in-home, at a studio, online or hybrid. Contact JenCalling to confirm current rates and availability.

♥ Get Started Today

Request Your Free Consultation

Tell me a little about your goals and I’ll personally follow up within 24 hours to schedule your complimentary discovery call.

♥ 100% free, no obligation

♥ Personalized strategy

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♥ Limited availability for Costa Mesa clients. Only accepting 3 new clients this month.

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