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Ajax Fitness

Aspens' Premier Gym

David Mills

Located in the heart of downtown Aspen, Ajax Fitness is a premium gym, training and recovery destination designed for locals and visitors alike. Founded by David and Danielle Mills, the gym blends world-class equipment, expert coaching, and a welcoming community atmosphere. Members enjoy access to cutting-edge tools like PNOĒ metabolic testing, OxeFit strength systems, and In-body scanning, alongside recovery amenities including an infrared sauna and cold plunge. From personalized training to flexible day passes, Ajax Fitness helps every member perform, recover, and thrive at altitude.

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What brought us to this valley

David Mills came to Aspen over a decade ago, drawn by the mountain lifestyle, the spirit of adventure, and the opportunity to build something meaningful in a place that values health, performance, and community. After serving as a veteran in Afghanistan, he was inspired to combine his passion for fitness, service, and the outdoors—leading to the creation of Ajax Fitness, where he helps others push their limits and live stronger, more fulfilling lives in the heart of the Rockies.

Favorite Spots

Catch Steak

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