Marathon Fitness Training Center Introduce
Introduction / Overview
For California residents in the West Covina area and surrounding communities, Marathon Fitness Training Center (MFTC) offers a highly specialized alternative to large, impersonal gyms. This facility, owned and led by the renowned Coach Peters, is not merely a gym but a dedicated personal and small group training center focused on long-term health, sports performance, and injury resilience. The philosophy here is perfectly summed up in their motto: “FITNESS IS NOT A SPRINT; IT'S A MARATHON!” They specialize in providing tailored, comprehensive programs that blend mobility work, gradual strength training, and injury prevention strategies. Unlike general fitness centers, MFTC excels at working with clients of all ages—from kids to adults—who have diverse goals, whether it’s recovering from chronic pain like severe back and knee issues, or aiming for a noticeable improvement in overall physical condition and injury resistance. The atmosphere is frequently described by local clients as supportive, non-judgmental, and highly professional, making it an ideal place to start or continue your fitness journey at your own pace, with expert guidance every step of the way.
Location and Accessibility
Marathon Fitness Training Center is conveniently located in West Covina, California, making it a central and accessible destination for users across the region. The facility’s address is 360 S Glendora Ave Unit 2, West Covina, CA 91790, USA. Its location is easily reachable for those driving from nearby areas, with many clients noting that the drive, even 15–20 minutes, is absolutely "worth it" for the quality of training. Importantly for all community members, MFTC prioritizes inclusivity with a Wheelchair Accessible Entrance and a dedicated Wheelchair Accessible Parking Lot. The facility is known for being clean and equipped with great equipment, creating a safe and focused training environment.
Services Offered
MFTC is designed to offer highly personalized and goal-oriented fitness services, moving beyond typical self-guided workouts. All training sessions require an appointment, ensuring focused attention for every client.
- Personal Training: Highly individualized, one-on-one sessions led by Coach Peters or her team, focusing on specific client goals, whether they involve sports expertise, injury recovery, or general strength and physique improvement.
- Small Group Setting Training: Structured, high-quality workouts done in a small group environment, allowing clients to benefit from the coach's expertise while maintaining a personalized training level.
- Nutrition Consulting/Guidance: Dedicated support to help clients develop healthy eating habits, optimize nutrition for performance, and create a balanced, sustainable diet that supports training and wellness goals.
- Mobility and Strength Training: Core programming focused on improving flexibility, addressing muscle imbalances, and gradually building functional strength to eliminate pain and prevent future injuries, a key service for which the center is highly praised.
- Climb Class: Specialized group classes focusing on climbing-related strength and conditioning, offering a unique workout option.
- Spin Class: High-energy indoor cycling classes for cardiovascular fitness and endurance building.
- Online Classes: Offering flexibility, the gym provides virtual options for clients who cannot attend every session in person.
- Onsite Services: All core training, classes, and personalized coaching take place at the West Covina facility.
Features / Highlights
What makes Marathon Fitness Training Center a top choice for serious-minded individuals in California is the distinctive expertise and client-centric approach of its team.
- Expert Coaching for Sports and Injury Recovery: The owner, Coach Peters, is an active Personal Trainer, the Athletic Performance Coach at Sierra Vista High School, and a former collegiate basketball player. Her background in multiple sports and ongoing experience with sports teams is considered essential to the recovery and performance of many clients, including avid athletes recovering from severe injuries like back pain and tendonitis.
- Accountability and Progression: The training philosophy is centered on pushing clients past their limitations—safely and progressively. Coaches ensure clients work at their current level but consistently encourage moving up and pushing themselves, with personalized weight and intensity levels.
- Specialized Equipment and Programming: Content includes exercises using specialized equipment, weight lifting, resistance training, and body weight exercises that may not be available or common in commercial facilities.
- Inclusive Amenities: The facility includes a Gender-Neutral Restroom and standard Restrooms, promoting an inclusive and comfortable environment for all members.
- Flexible Payment Options: The center accepts Credit Cards and Debit Cards, providing convenient payment solutions for its services.
- Team Support: In addition to the lead coach, highly-regarded assistant trainers, such as Pat and Lillian, provide excellent additional support, ensuring a low client-to-coach ratio and high quality of service.
- Client Focus: The mission centers on long-term health and wellness, offering a safe space for clients and a comprehensive programming approach that develops positive habits for life.
Contact Information
To begin your specialized training journey, local West Covina and California residents can use the following contact details:
Address: 360 S Glendora Ave Unit 2, West Covina, CA 91790, USA
Phone: (626) 727-6126
What is worth choosing
For California residents, particularly those in the West Covina area, Marathon Fitness Training Center is worth choosing if you value expert, personalized, and progressive training over basic gym access. This is the place to go when you need more than just machines—you need a plan, accountability, and the specialized knowledge of a coach. The gym is consistently recommended for those seeking an upfront, real, honest trainer like Coach Peters, who is deeply committed to helping clients not just meet their goals, but sustain them. Customer testimonials repeatedly highlight the center's success in achieving results that are both life-changing and measurable, such as eliminating chronic pain within a month and building considerable injury resistance over time, even when the client is an avid, competitive athlete. The ability to cater to a spectrum from kids to adults, combined with the supportive, small-group atmosphere, means you’ll be pushing yourself and getting sore "in the best way possible" while working at your own level. If your goal includes recovery, sports performance, or simply a dramatic improvement in mobility and strength that impacts your daily life, the expertise and tailored programming at MFTC make the drive and the appointment-based commitment completely worthwhile.
Marathon Fitness Training Center Services
Gym
- Nutrition consulting
- Personal training
- Climb Class
- Spin class
Marathon Fitness Training Center Details
Service options
- Online classes
- Onsite services
Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
Amenities
- Gender-neutral restroom
- Restroom
Planning
- Appointment required
Payments
- Credit cards
- Debit cards
- Credit cards
Marathon Fitness Training Center Photos










Marathon Fitness Training Center Location
Marathon Fitness Training Center
360 S Glendora Ave Unit 2, West Covina, CA 91790, USA
Marathon Fitness Training Center Reviews
injury
★ 5★ 4★ 3★ 2★ 1At 41, I was an avid basketball player, competing 3-5 times weekly including multiple men's leagues. The intense schedule led to severe back pain and knee tendonitis, forcing me to stop playing completely.I chose Coach for her comprehensive sports expertise, particularly her ongoing experience with multiple sports teams and background as a collegiate basketball player. Her understanding of the sport has been essential to my recovery.Following an initial assessment, we addressed my back pain through mobility work and gradual strength training. The pain vanished within a month and hasn't returned.The knee tendonitis required more time to heal, but a combination of progressive strength training and continued mobility work has brought me close to full recovery.Recently we've continued the focus on mobility, strength, and injury prevention. Training three times weekly with Coach for the past year has put me in great condition with considerable injury resistance. My physique has also visibly improved, though this wasn't my primary goal.Training at MFTC lets me see Coach's success with various clients and fitness goals. Her assistants, Pat and Lillian, provide excellent additional support. I plan to continue working with Coach and her team indefinitely.
March 04 · Kenneth KeeganI was told about Marathon Fitness (Coach peters) from a friend who had a great experience with her prior and she was referred to her as well. I am now currently working with her in a small group setting twice a week and I love it!!! She definitely gets me winded and sore in the best way possible. I highly recommend for in person or live classes and she does personal training. If you’re looking for a good workout, upfront real honest trainer I highly recommend her. I drive to her as I live about 15-20 mins away, she is worth it.The inside is clean, great equipment.She makes sure you do your level and as you can move up you will. You do it at your level but you gotta keep on moving and pushing yourself. I may do 15 lbs while someone does 18/20.I’ve got stronger, feel healthier, working out different parts of my body in ways that I didn’t know that would work that muscle out! I still have work to do and weight to lose.Highly recommend Coach Peter’s.From kids to adults!
April 01 · Meg SamorI have been training with Coach Peters for about 4 years. I am a breast cancer and mini stroke survivor. When I started with coach I was obese, on heart medication, stiff and defeated. Today I am 43lbs lighter, off all meds and have strength and energy to do my daily tasks. My daughter and son have joined as well we are all a happier and healthier family.
July 01 · Lilian CorreaI have been with coach Peters for about 4 years. It has been a tough but a wonderful experience. I have Fibromyalgia, whenever I get flair ups, coach Peters and my other trainer Jessica really know how to modify my workouts. I'm so thankful for that. I highly recommend MFTC. I love my coach.
July 06 · josie melendrezCoach Peters and this gym have given me a new start. Ask me last year where I’d be now and I would’ve said still overweight and exhausted. Instead I’m 40 lbs down, energized to reach my fitness goals and more healthy at 40 years old than when I was 18. My training at this extremely clean facility is teaching me nutritional sustenance (the right way) and provides the fitness challenge I’ve needed for a long time!Absolutely recommend! Get ready! Do it!
October 04 · Christina Asencio
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