Cerus Fitness
Gym3771 Monarch St, Frederick, CO
Sports & Fitness
Independent gyms in Frederick, CO
5 independent, locally-owned gyms are listed in Frederick, Colorado on CheckThisBiz. National chains and franchises are not included. Ranked by how much we could independently verify (listing sources, phone, website and owner verification), the top gyms are Cerus Fitness, Airborne Gymnastics and CrossFit MHz.
How we rank: email-verified customer reviews on CheckThisBiz first, then independent checks (listing sources, phone, website and domain, owner verification). Paid placement never changes this ranking. Our methods · Sources · Updated October 3, 2026
View on map5 gyms in Frederick · Clear
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Airborne Gymnastics
Gym3773 Monarch St, Frederick, CO
CrossFit MHz
Gym3762 Puritan Way, Frederick, CO
Carbon Valley CrossFit - 24 Hour Gym
Gym7603 Miller Dr, Frederick, CO
Dark Horse Fitness
Gym7300 Miller Pl, Frederick, CO
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