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BACK TO SCHOOL SALE - Get Started For Just $9.99/mo!

Just under 20,000 square feet, Boost Fitness Fitchburg is our newest location in Central MA.  Serving the Fitchburg community , our eighth location provides members with a state of the art work out facility, 24 x 7 access and unlimited group exercise and spin classes for a low monthly membership fee!

Why Boost Fitchburg?

  • Open 24 hours/day, 365 days/year
  • Brand New Cardio, Strength Equipment
  • Full Locker Rooms with Showers
  • Large Functional Training Area with Turf
  • Free Weights, Squat Racks, Bumper Plates
  • Group Fitness Classes
  • Spin Classes
  • Memberships  starting at just $9.99 a month!
  • Small Group Training Classes Available
  • Boost Smoothie Bar

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Contact Information


Open 24 Hours a Day for Members with Key Tag.

Front Desk Hours:
Monday – Thursday 8AM – 9PM
Friday – 8AM – 8PM
Saturday and Sunday – 8AM -1PM

Fitness Class Schedule

Looking for a fun and exciting way to burn off the calories and tone your body? Look no further!


We think we have the best gyms around, but we're biased. So don't take our word for it. See for yourself.

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