Go Slow • Get Strong




Our Training Staff

Our personal trainers provide high quality, one on one, strength and fitness training in a safe and supportive environment.

Our Owners

Abe & Yvonne Kleinfeld are excited to own Main Street Fitness and look forward to helping our clients achieve their fitness goals.

Our protocol

Main Street Fitness uses a unique method of high intensity, slow strength training (exercise) using custom-designed equipment.

Our Studio

Our training studio is designed to support your fitness and strength-building process. It's a light and inviting environment unlike a typical gym.


Free Introductory Session


You can request a free introductory session by clicking the button below. This session will help us understand your fitness goals and aspirations, assuring that you get the most out of your experience at Main Street Fitness.


Questions? Contact Us!

We are happy to answer any questions you may have about our studio or programs.

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Our Studio

Main Street Fitness
Personal Strength Training
11790 Main Street, Suite D
Penngrove, CA 94951