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Get Ready To Run With The Bulls

Obstacle Racing and Training in Colorado

Join Us On Our Next Adventure

2020 CerusOCR Passes
2020 CerusRuk Tickets

Train, Race, and Dominate

It doesn’t matter if it’s your first Obstacle Race (OCR) or your 50th, we’ve got you covered….without running through fire or getting electrocuted. We’ll help you push your limits and have fun doing it!


3.1 Miles + 18 Obstacles + 1 Great Cause

Obstacle Racing for Charity

Race 3.1+ miles and support a charity. We have 15+ obstacles with beginner and advanced options for all racers.

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5 Miles + 18 Obstacles + 30LB Rucksack

Our Newest & Toughest Race

Unlike any other race. 5+ miles & 15 obstacles while carrying a 30 lb ruck. Great for teams or individuals.

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30 Minute Workouts For Home.

Free Workouts at Home

We believe in skills based training you can do at home. Just 30 minutes per day and measurable gains is our focus.

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Cerus Training and Performance Gear

Cerus Training Gear

Made in America quality that doesn’t break the bank. Versatile training bags and awesome Cerus gear.

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Cerus Fitness Sandbags

Versatile and tough. The ultimate training tool. Our heavy duty fitness sandbags can hold 30 to 75 lbs of sand and take just about any beating you send their way.

Finally a training tool as tough as you.

Cerus Fitness Sandbags

Latest News

What the Ruk?

June 4th, 2020|

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