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15 Best Gyms & Fitness Centers in Castle Rock

Top-rated by the people who go there

Ranked on Google ratings and review counts (Yelp too, where we have it) · ratings refreshed August 2026 · 62 fitness in our Castle Rock directory

Whether you like a big gym, a boutique studio or a small group class, Castle Rock has great options. Here are the top-rated gyms and studios in our directory, ranked on Google ratings and review counts.

Hours, memberships and class schedules are on each directory page.

CrossFit Loop fitness center in Castle Rock, Colorado
#1
CrossFit Loop
136 S Wilcox St • $$
5.0
139 reviews

Veteran- and women-owned CrossFit gym in Castle Rock with expert coaching, extensive classes, strong community, and a family-friendly atmosphere.

Family FriendlyFitness enthusiasts
The Rock Jiu Jitsu Team fitness center in Castle Rock, Colorado
#2
The Rock Jiu Jitsu Team
488 Crystal Valley Pkwy • $$
5.0
130 reviews

Premier Castle Rock martial arts school offering expert Brazilian Jiu Jitsu training in a welcoming, professionally run gym for all ages and skill levels.

Family FriendlyMartial arts training
Bird Dog CrossFit fitness center in Castle Rock, Colorado
#3
Bird Dog CrossFit
185 Caprice Ct • $$
5.0
126 reviews

Bird Dog CrossFit in Castle Rock delivers expert coaching, welcoming community, and scalable workouts in a clean, spacious gym.

Family FriendlyBeginners
Shred415 Castle Rock fitness center in Castle Rock, Colorado
#6
Shred415 Castle Rock
5050 Factory Shops Blvd Suite 1045 • $$
5.0
91 reviews

Dynamic group fitness studio in Castle Rock with motivating trainers, childcare, and a strong community vibe to boost your workout energy.

Family FriendlyFitness enthusiasts
Arcane Barbell fitness center in Castle Rock, Colorado
#8
Arcane Barbell
680 Atchison Way #400 • $$
5.0
66 reviews

A 24/7 gym offering wheelchair accessible facilities and clean restrooms for Castle Rock fitness enthusiasts seeking flexible workouts.

Family FriendlyFitness enthusiasts
StretchLab fitness center in Castle Rock, Colorado
#9
StretchLab
4985 Factory Shops Blvd Suite 110 • $$
5.0
63 reviews

StretchLab offers personalized assisted stretching to improve flexibility, reduce pain, and enhance mobility in a welcoming, clean setting.

Family FriendlyFlexibility improvement
Castle Rock AIKIDO fitness center in Castle Rock, Colorado
#10
Castle Rock AIKIDO
185 Caprice Ct • $$
5.0
59 reviews

Experience a welcoming and supportive martial arts dojo with expert instruction and diverse classes for all skill levels in Castle Rock.

Family FriendlyMartial arts learners
3D Performance fitness center in Castle Rock, Colorado
#14
3D Performance
2280 Manatt Ct Unit D02 • $$
5.0
41 reviews

Expert athletic training and rehabilitation center in Castle Rock offering personalized strength, conditioning, and ARP therapy with a caring approach.

Family FriendlyAthletes

More Fitness in Castle Rock

Showing top 15 of 62 total.

How this list is ranked

Every place in our Castle Rock directory whose main category is fitness gets a score from its Google rating and review count, with Yelp weighed in where we have it, so a 4.8 with 600 reviews beats a 5.0 with three. A place needs at least a 4.0 Google rating and five reviews to be ranked, closed places are out, and a second location of the same name only counts once. Every spot earns its place on reviews alone. The ratings were last refreshed August 2026, and the order updates itself when they change.

Love a place on this list? A Google review is the best way to help it climb. If a place has closed or the details on its page need an update, tell us and we'll fix the directory, which fixes this list.

More Castle Rock guides

Frequently asked questions

What are the best fitness in Castle Rock?

Right now the top three by our score are CrossFit Loop, The Rock Jiu Jitsu Team, Bird Dog CrossFit. The full list above has 15, ranked out of the 62 fitness in our Castle Rock directory.

What's #1 for fitness in Castle Rock?

CrossFit Loop is #1 on this list with a 5.0 Google rating from 139 reviews. That can change as reviews come in.

How is this list ranked?

Every place in our Castle Rock directory whose main category is fitness gets a score from its Google rating and review count, with Yelp weighed in where we have it, so a 4.8 with 600 reviews beats a 5.0 with three. A place needs at least a 4.0 Google rating and five reviews to be ranked, closed places are out, and a second location of the same name only counts once. Every spot earns its place on reviews alone. The ratings were last refreshed August 2026, and the order updates itself when they change.

How many fitness are in Castle Rock?

Our Castle Rock directory lists 62 fitness. 15 clear the bar for this guide; the rest are in the directory with the same hours, address and rating details.

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