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Cardio & HIIT gyms in Connecticut

25 Cardio & HIIT gyms across Connecticut.

FitnessBoss lists 25 Cardio & HIIT gyms in Connecticut across 17 cities, with the most in Norwalk, Stamford, and New Britain. 18 of them currently advertise a free trial. Compare class schedules, membership pricing, and reviews side by side, then reach out to book a visit.

Cardio & HIIT gyms by city

Norwalk 3Stamford 3New Britain 2Fairfield 2West Hartford 2Danbury 2Shelton 1Stratford 1Glastonbury 1Milldale 1New Canaan 1Darien 1Ridgefield 1Bloomfield 1Middletown 1East Granby 1Unionville 1
WIP FitnessFree trial
7 classes
Boutique Strength
West Hartford, CT
from $110/mo
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Other gym types in Connecticut

Strength & Conditioning 46Personal Training Studio 42Big Box & General 28Yoga 26Martial Arts & Combat Sports 24Specialty 19Boutique Strength 17CrossFit 15Cycling / Spin 14Boot Camp 12Cardio Kickboxing 11Barre 8Hot Yoga 7Boxing 6HIIT 4Powerlifting 4MMA 3Climbing Gym 2Zumba 1Pure Cardio 1

Frequently asked questions

How many Cardio & HIIT gyms are in Connecticut?
There are 25 Cardio & HIIT gyms in Connecticut listed on FitnessBoss.
Which cities in Connecticut have the most Cardio & HIIT gyms?
The cities with the most listings are Norwalk (3), Stamford (3), New Britain (2), Fairfield (2), and West Hartford (2).
Do Cardio & HIIT gyms in Connecticut offer free trials?
Yes — 18 of the Cardio & HIIT gyms in Connecticut currently advertise a free trial. Look for the free-trial badge on each listing.
How much do Cardio & HIIT gyms in Connecticut cost?
Pricing varies by gym. Each FitnessBoss listing shows the membership options the gym publishes — monthly, annual, drop-in, and class packs where available.