The Fitness Equation

The Fitness Equation

A world-class fitness center in a world-class One Loudoun community. Email any questions or comments to [email protected]

The Fitness Equation features the latest and greatest equipment, amazing amenities, Kidz Gym, and so much more! If you want to try us out before you make a commitment, simply ask about our FREE 1-day guest passes!

Merry Christmas and Happy Holidays from our family to yours! 🎄 We hope your day is filled with love, laughter, and cheer.

Have you checked out our Kidz Zumba class yet? Your little ones are going to LOVE it — because who doesn't like dance parties?! 💃

When you think about quitting, think about why you started.

Notice: TFE South Riding's Functional Training Room will be CLOSED tomorrow, Wednesday, December 18th from 9:30am-12pm. We apologize for any inconvenience!!

TONIGHT! Join Immie Cross, Les Mills National Presenter for a BODYCOMBAT Special Pop Up Class at TFE SR at 6:30pm!!
Members and non Members welcome!!

Join our amazing community to access over 90 classes a week led by our amazing instructors. Our teams create engaging challenges and workouts to keep you motivated and have fun while getting your mind and body in shape! Sign up today.

Repost: @tfe_kidzgym
Come join us for Parent’s Night Out @ TFE South Riding TONIGHT from 5pm-9pm!! Pizza 🍕 Games and Ninja Warrior! A great activity for your kids while you finish your holiday shopping 🛍

TFE has been nominated for Best of Loudoun 2020 and we would love your support! Use the link to vote EVERY DAY from 12/13/19-12/27/19!! THANK YOU!!

Remember to celebrate what your body can do this holiday season! Exercise is an amazing way to honor your body and a great reminder of how far you've come! Keep it up!

Please remember to bring your INKIND DONATIONS for Life with Cancer® this evening at packet pickup:
The Fitness Equation (One Loudoun), 44693 Brimfield Drive, Ashburn, VA 20147 from 4 pm to 7pm. Please see the list of donations needed:

Your support is greatly appreciated. Also, remember you can still register online at Online registration is open until 8:30am, Saturday, December 14th. See you at the races!

Please remember to bring your INKIND DONATIONS for Life with Cancer® this evening at packet pickup:
The Fitness Equation (One Loudoun), 44693 Brimfield Drive, Ashburn, VA 20147 from 4 pm to 7pm. Please see the list of donations needed:

Your support is greatly appreciated. Also, remember you can still register online at Online registration is open until 8:30am, Saturday, December 14th. See you at the races!

It was our pleasure to get the chance to meet everyone who stopped by our tent at tonight’s 7th Annual Tree Lighting at One Loudoun !! Good luck to those who entered our raffle, we look forward to seeing you in the new year!!

You're never too young to reap all the amazing benefits of yoga! Bring your children in and we'll walk them through safe, functional poses!

TFE is proud to sponsor the 2019 Breakfast with Santa at Middleburg Community Charter School this morning!! 🎅🎉 @ Middleburg Community Charter School

TFEGX repost: Another completed game card! Have you joined our challenge yet?! Remember you can use the same board at both clubs and complete as many as you can before 12/31 to be in with a chance of one month free membership and an awesome sense of achievement!!

#tfegx #workoutchallenge #thefitnessequation #groupexercise #letsdoit

The Fitness Equation is thrilled to once again sponsor The Jingle Bell Rock & Run at One Loudoun on December 14, 2019!

Come on out and take part in the 5K or 10K race, and the 1K Jammie Jingle Fun Run! Lots of food and family fun to enjoy throughout the event! Stop on by our exhibit table for a special giveaway!!
TFE's talented Personal Trainers will lead you in race warm ups to help you put your best foot forward during the race!

The Fitness Equation will also host a packet pickup for this event on Thursday, Dec. 12, and will once again lead pre-race warmups! For more information or to register, visit:

We can’t wait to see you get your race on!

Forget New Years Resolutions, how about new month resolutions! What are you going to do differently this month that will take you one step closer to your goals?

We are so grateful to have been recognized as a finalist for the Stars Over Dulles Award! We would like to congratulate all the finalists, and specifically Fitness Aspects on their win in the category of health and wellness!!
Thank you Official Dulles Regional Chamber of Commerce for the recognition! Looking forward to next year 🌟

Happy Holidays TFE Fam!! Enroll this month to enjoy NO DUES Until Next Year and $100 OFF!!*
*(certain restrictions apply)

“Blood, Sweat, and Respect. First two you give, last one you earn” - The Rock

November 29th-30th Join Today! NO DUES UNTIL NEXT YEAR + $100 OFF!!

*Certain restrictions apply.

Quick! Join Today and Enjoy NO DUES Until Next Year AND $100 Off!!

Children are precious, they're our future. We'll help you get them started down the right path at an early age, and build a lifestyle that promotes great health!

We support your goals, no matter what, whether you're training for a marathon or just wanting to get in better shape. This is why TFE Gives Thanks For Joining The Family with $100 OFF plus a FREE Fitness Assessment & FREE* Gym Bag. We have the equipment you need, the training you want, and the support you'll love.

*While supplies last. Only valid until November 28th with new primary memberships.

Stay motivated through the holidays with our TFEGX Holiday Fitness Challenge!!
Pick up a game board at your TFE location of choice and complete all 12 boxes to enter into the drawing!
- 4 Mindbody
– 4 GX Classes
– 4 Cycle Classes
Classes can be completed among both TFE locations!
Don’t forget to take a selfie with your game board and tag @TFEGX !!

Best of luck!!

Training with friends is great, but they don't always know how to push you to make sure you reach your goals. That's where our expert staff comes in!

We're halfway through November! How have you crushed your goals this month??

We had a spectacular time yesterday participating in Loudoun County Public Schools Job For A Day event!! We loved the opportunity to show our health motivated youth the ropes of TFE! It’s always an honor to show our support for our community and our youth 😊 @ One Loudoun #jobforaday

The TFE Kidz had a blast playing with the water table and learning about hydration today!! 🌊💦 #revyourbev

@tfegx Repost: Full house @bodypumpofficial this morning! One of the most effective classes for a total body weight training workout! Join #tfegx every Monday, Wednesday, Friday and Saturday at 8:30am!

Looking to take your game on the court to the next level? Learn more about our basketball training program, run by former James Madison University and Overseas Professional player Joe Posey!

Pickleball now available at TFE South Riding, coming soon to One Loudoun!!

Make exercise a party for your little one with our Kidz Ninja Warrior birthday parties! TFE members can even get a video of their event!

Flexing our Freedom and our Right to Vote at TFE!

Share a selfie with your “I Voted” sticker using the hashtag #ChamberMembersVote on Twitter and Facebook. We’ll repost and share to our pages!! 🇺🇸 ✔️

Our trainers understand that everyone is different. When you train with us, we'll tailor the program to meet your specific goals!

We believe in only offering the best. Whether your goal is functional training, strength, cardio, or all of the above, we have the high-quality equipment to help you smash your goals!

We were thrilled to attend the JK Moving Services and CapRelo health and benefits fair today!! TFE is proud to offer all their employees corporate membership rates at all TFE locations!!

Wishing you a safe and happy Halloween from The Fitness Equation!!

The exercise options are endless with the Freemotion Dual Cable Cross! Which is your favorite?

We had a spooktacular time sponsoring and leading stretches this weekend for the 10th Annual Ghost, Goblins & Ghouls Spooktacular 5k !!! @ Barn at One Loudoun

Join us for an awesome complimentary Small group training in The Burn Zone this weekend! See front desk for sign up sheet, spaces fill up fast so sign up soon!!
Contact [email protected] with any questions.

Quick! You don't want to miss this sale. Get 75% OFF your enrollment fee and FREE fitness assessments Oct 28th - 31st!!

You're never too young to build good habits! Your little ones are cordially invited to the best dance party in Ashburn at our Kidz Zumba class. Check out our website for details!

We’re here at @ The Barn at One Loudoun sponsoring the 10th running of the @ghost5kandscarecrowsprint !!

We can’t wait to see you tomorrow! Wear pink 💕

See you tomorrow!!

It’s Les Mills Launch Day TOMORROW at TFE One Loudoun and South Riding!!!! Join us for any or all of our awesome classes and be in with a change to win some #TFE apparel 💪
#tfegx #lesmillslaunch #bodypump #cxworx #grit #insanity #groupexercise #halloweenworkout #workoutparty #thefitnessequation #southriding #oneloudoun @ The Fitness Equation

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44693 Brimfield Dr
Ashburn, VA

Opening Hours

Monday 04:00 - 23:00
Tuesday 04:00 - 23:00
Wednesday 04:00 - 23:00
Thursday 04:00 - 23:00
Friday 04:00 - 23:00
Saturday 07:00 - 21:00
Sunday 08:00 - 20:00
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