Cerus Fitness Gym

Introducing our state of the art 10,000 SF training facility. Equipped with everything you need to elevate your training. 

Featuring 40+ weekly classes including boxing, cycling, obstacle racing and more!

NOW OPEN in Frederick, CO

Cerus Events

World Class Award Winning Obstacle Racing and Endurance Challenges Built to Challenge Athletes of All Abilities.


A 5K Obstacle Race with 20+ Obstacles
Learn More


A 5 Mile Obstacle Race with 20+ Obstacles.. Competitive racers complete with a Weighted Pack
Learn More

CerusForge Events

Small Team Based Endurance Challenges. Complete your objective before time runs out.
Learn More

CerusBrix Events

In facility competitions that will test your ability in 4 categories: Speed, Strength, Agility and Endurance.
Learn More

Cerus Products

Our products are built to be as tough as your training. Take your training anywhere you go.

Cerus Sandbags

A gym in a bag- the Cerus Sandbag is built to go from your home gym to your local park.

Complete over 100 possible lifts and movements with our Sandbags.

Cerus RUKX1

The toughest rucksack on the planet. Built with Ballistic Nylon and Stitched with Kevlar Thread.

Play Video

Latest News

What the Ruk?

I won’t speak for everyone, but there seems to be quite a few different reasons people decide to start rucking. Some do it to make walking more challenging and a better workout. Some do it for the added challenge. Others do it as part of specific events or programs. For me, it’s a mix of

Read More »

Why “Beast Mode” Isn’t Your Friend

If you’ve followed me on social media or worked out with me or seen me at races, you all know I love a good ol’ fashioned push-your-boundaries, soul crushing physical effort. A leave-it-all-out-there-on-the-field effort where you can barely move afterwards. We call this “going beast mode” and you see every athlete you follow on social

Read More »

Enter the Forge

The Forge. A tool used for centuries to create, transform, and improve through intense heat and hard work. To forge is to heat, hammer, and shape into something better and useful. Put another way, to “forge on” means to proceed forward, often in the face of adversity. This mindset represents everything that CerusForge stands for.

Read More »

Visit Us