The Best CrossFit Gym in Crosby, TX

CrossFit Thunderdome

Family Friendly Fitness

Welcome to CrossFit Thunderdome

Crosby's Favorite Family-Friendly CrossFit Gym

The growing success of CrossFit has made "working out" more than a simple overused buzzword. It has come to stand for a way of doing things:

With drive, courage, purpose and teamwork.


Founded in 2013 by Tony Lewis, CrossFit Thunderdome is dedicated to delivering a distinct fitness experience and transforming lives through exceptional service, health, and wellness.


The vision is to make Thunderdome a core location for all things health and wellness and to provide a way for you to surround yourself with those on the same mission; For motivation, support, accountability, growth and fun. Thunderdome is a family friendly establishment that believes in the community and giving back. Everyone here works as a team and get results as a team.

CrossFit Group Training

Our Core Program

Group training is the foundation of what we do here at Crossfit Thurnderdome. We provide your exercise programming (warm-up, workout, and skill work) as well as instruction and supply all the necessary equipment and tracking for progress and performance. The workouts are different everyday (constantly varied) providing a foundational preparedness for life and all forms of athletic activities. It also keeps it fun and fresh for everyone.

Boot Camp

Scalable Workouts for All Fitness Levels

Looking to get fit but intimidated by CrossFit? Our dynamic Boot Camp program offers a fun and accessible way to experience high-intensity training. Led by experienced coaches, Boot Camp combines cardio, strength, and functional movements in a supportive environment. Whether you're a beginner or seeking a challenging alternative to traditional CrossFit, our Boot Camp will help you achieve your fitness goals.

Class Schedule

We offer a variety of class times throughout the week so you can fit a workout into your busy schedule. Find a time that works for you!

Monday

CrossFit

5:00am - 6:00am

CrossFit

8:30am - 9:30am

CrossFit

5:00pm - 6:00pm

CrossFit

6:00pm - 7:00pm

Tuesday

CrossFit

5:00am - 6:00am

CrossFit

8:30am - 9:30am

CrossFit

5:00pm - 6:00pm

CrossFit

6:00pm - 7:00pm

Wednesday

CrossFit

5:00am - 6:00am

CrossFit

8:30am - 9:30am

CrossFit

5:00pm - 6:00pm

CrossFit

6:00pm - 7:00pm

Thursday

CrossFit

5:00am - 6:00am

CrossFit

8:30am - 9:30am

CrossFit

5:00pm - 6:00pm

CrossFit

6:00pm - 7:00pm

Friday

CrossFit

5:00am - 6:00am

CrossFit

8:30am - 9:30am

CrossFit

5:00pm - 6:00pm

CrossFit

6:00pm - 7:00pm

Saturday

CrossFit

9:00am - 10:00am

Sunday

What Our Members Have to say

Don't take our word for it - read our reviews to find out why Crosby locals and visitors alike love CrossFit Thunderdome!

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When traveling for my job puts me anywhere within the Houston metropolitan area I will base my lodging solely around being near this gym/CrossFit box. I come for the knowledge and expertise of the staff, family atmosphere but most importantly the sweat earned solid results.

- Jeremy
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The other members and staff have been so friendly and inviting and willing to help us in anyway that they can... You can tell that everyone is like family here. I definitely recommend this gym to anyone looking for a healthier lifestyle, have bodybuilding goals, or looking to gain power and strength!!!

- Megan

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See our members in action

Stay up to date on news, events, and the latest challenges on Facebook, Instagram, and Twitter. See our members in action - click below to follow us!

Schedule Your Free Intro

Ready to get started? Fill out the form to get in touch with CrossFit Thunderdome, and a coach will be in touch shortly to schedule your free no-sweat intro!

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14933 Fm 2100 Road, Crosby, Texas 77532, United States

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