Stronger Together,
One Class at a Time.
Welcome to United Fitness Upland, Rancho Cucamonga, & Ontario, where results meet community. Whether you're just starting out or looking to level up, our trainer-led bootcamp workouts are designed to help you sweat, smile, and transform — one powerful 50-minute class at a time.
We believe that group energy drives personal results, and our Upland, Rancho Cucamonga, & Ontario location brings that belief to life with daily workouts that challenge, support, and empower.
REAL PEOPLE, REAL RESULTS
You don’t need to be perfect to start — you just need to start. At United Fitness, transformation isn't just about what you lose — it’s about what you gain: strength, confidence, energy, and a support system that won’t let you quit.
We’re proud to showcase real members who committed to the process, trusted the system, and showed up — one class at a time. Their results are proof that when structure meets support, anything is possible.
What’s Happening This Month
We map out every day’s focus in advance so you always know what you’re walking into. Whether it's strength, cardio, core, or a full-body burn — every workout has a purpose.
Check out our monthly schedule below to see what’s coming up each week!
Find a Time That Fits Your Life
Early mornings, mid-day breaks, or evening sessions — we run classes 7 days a week so you can train on your time. Here's when we're open:
WHAT YOU GET WHEN YOU JOIN
Unlike other gyms, studios, and programs, United Fitness is an all-in-one experience focused on total body transformation — inside and out.
Nutrition Tips
We’ll help you build a personalized, sustainable plan that supports your goals — no fad diets, no guesswork when you join the 6-Week Challenge.
Workouts With Trainers
Every class is guided by expert coaches who push and support you.
Personal Accountability Coach
One-on-one support to help you set goals and actually hit them during the 6-Week Challenge.
Body Fat Testing
Measure progress with in-studio scans that go beyond the scale.
At-Home Workout Plan
Access flexible workouts you can do anytime, anywhere.
Success Tracking System
Track every rep, meal, and milestone to stay motivated and consistent.
HERE'S HOW IT WORKS
At United Fitness, we make fitness simple — and effective. Whether you're brand new to working out or just need a structured plan, here's exactly what to expect: challenging workouts, real results, and never doing the same workout twice.
Book Your Free Class
Start with zero commitment. No credit card needed. Come in, meet the team, and experience the energy for yourself.
Get Paired With a Coach
We’ll learn about your goals and pair you with a coach who’ll guide, motivate, and hold you accountable.
Show Up. We'll Handle the Rest.
Every 50-minute class is expertly programmed and trainer-led. No planning. No confusion. Just results.
Follow the Full Transformation System
You'll get more than just workouts:
Nutrition tips
Body fat testing
At-home workout options
Online support and accountability
Track Your Progress and Keep Going
We’ll measure your wins and adjust as you grow. You’ll see it. You’ll feel it. And you’ll want more.
LOREM
We’re here when you are.
Classes run 7 days a week — mornings, evenings, and everything in between. Whether you’re an early riser or coming in after work, there’s a time that fits your routine.
Monday – Thursday
5AM · 6AM · 7AM · 8AM · 9AM
3PM · 4PM · 5PM · 6PM · 7PM · 8PM
Friday
5AM · 6AM · 7AM · 8AM · 9AM
Saturday
7AM · 8AM · 9AM · 10AM
SUNday
8AM · 9AM · 10AM
The Best Fitness Center Near You in Upland, Rancho Cucamonga, & Ontario
Looking for a gym that actually delivers results?
United Fitness Upland, Rancho Cucamonga, & Ontario is your go-to destination for trainer-led bootcamp workouts, supportive community energy, and real transformation. Whether you have questions about the program, your goals, or just want to see if it’s the right fit — we’re here to help.
Call or text us, or stop by the studio and we’ll walk you through everything and even help you book your first class for free.
1419 E Foothill Blvd. Upland, CA 91786
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TAKE THE FIRST STEP – ON US!
Ready to transform? Try your first class absolutely FREE.
Join a powerful community, get expert guidance, and discover the difference for yourself. No pressure. Just progress.
At United Fitness, our mission is to build a vibrant fitness community through dynamic, results-driven group classes that inspire, challenge, and support every member. We are dedicated to creating an inclusive, high-energy environment where people of all fitness levels can connect, grow stronger together, and achieve lasting wellness through the power of group motivation and expert coaching.
LOCATION
1211 W. Central Ave. Brea CA 92821
1419 E Foothill Blvd. Upland, CA 91786
Monday – Thursday
5AM · 8AM · 9:15AM · 4:30PM · 5:40PM · 6:50PM
Friday
5AM · 8AM · 9:15AM
Saturday - Sunday
8AM · 9:15AM
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