Welcome to
Just B Fitness!
With us, exercise is a way of life!
Based in Mill Valley, CA, we offer outdoor, live, and pre-recorded group exercise classes that are designed to help you achieve sustainable physical health in a supportive and fun environment. At Just B Fitness, we aim to help you create a lifestyle where regular movement and exercise is an integral part of your regular routine. We strive to change the narrative that exercise is pain and punishment by creating an environment where classes are fun, movements are functional, and laughs are many. Classes are always a little different to keep things interesting and intentionally written so that the cumulative outcome of regular attendance can support you in living as independently as possible in YOUR strong, healthy body.
BOOK YOUR SESSION
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When: Monday, Tuesday & Thursday
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Times: 7:30 AM & 8:30 AM
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Duration: 50 minutes
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Location: Freeman Park
498 Sycamore Avenue, Mill Valley, CA, 94941
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When: Check our calendar!
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Duration: 60 to 120 minutes
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Location: Varies
We also offer tailored fitness sessions for adult birthday parties, PTA events, and companies designed for fun team building and bonding while staying engaged and energized with your personal, school or work community.
SWEAT
LAUGH
GET STRONG
GET INSPIRED
About
Bria Ruben
Fitness enthusiast, mom, animal lover, tree hugger, nature seeker.
My goal is to create classes that are challenging and fun while increasing strength, cardiovascular health, balance, flexibility and breath-work through functional movements.
I want to empower people to live their fullest lives by being their best physical selves for as long as independence allows.
Certifications: Recreation Therapist, ACE Grp Ex, MADDOG Spinner, American Heart First Aid, AED and CPR.
TESTIMONIES
"Thank you! My body is so happy to be working out and happier to be doing it in your great classes. I have never been good at exercising on my own."
You are super organized and prepared - the class moves at a great clip. I love the tone you set - welcoming, comfortable, fun, funny. And I love getting the all round exercise in an hour and especially appreciate cardio blasts as that's the hardest for me to do on my own. I love exercising outdoors - covid or no covid."
"You offer the perfect blend of pushing (without pushing) us to work hard to our potential, offer sincere encouragement & acknowledgement, great guidance and feedback on form (you clearly know your stuff and at the same time I really appreciate that you are open to learning more as in when someone's PT has suggestions :), and offer alternative options for exercises."
YOU'VE got this!
Get in touch and start (or reconnect with)
your fitness journey today!
Questions?
Join us on mobile!
Download the Spaces by Wix app and join “Just B Fitness” to easily stay updated on the go.
