Cerus Fitness — HYROX Gym in Frederick

Cerus Fitness is a performance-driven gym in Frederick, Colorado, designed for athletes and everyday members who want more than a standard health club. This 10,000 sq ft training arena combines a full-service gym with a boxing ring, astroturf training area and extensive functional equipment, creating a versatile space for strength, conditioning and endurance work. Members can join a wide range of daily classes for all levels, from foundational fitness to advanced programs like Athlete 2.0, which focuses on barbell strength, skill development and overall performance. Cerus Fitness is closely connected to the local race and event scene, giving members exclusive access to award-winning obstacle and endurance events as well as in-house challenges such as the Cerus Gym Series. The atmosphere is competitive yet welcoming, with a strong community built around setting goals, testing limits and supporting people across different age groups and ability levels.

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10,000 sq ft facility, 1,800 sq ft astroturf area, 200+ machines, full-service gym, boxing ring