HYROX Training Boulder
Train for the Denver HYROX Race this November with coached strength, endurance, and race-style conditioning. We are the home of the Boulder HYROX Club.
Our HYROX + Endurance classes help you build the running, rowing, sled work, carries, lunges, wall balls, and pacing you need for HYROX-style training and racing.
Best CrossFit in Boulder since 2016
HYROX + Endurance classes in Boulder
HYROX + Endurance combines running, rowing, sled work, carries, lunges, wall balls, and functional strength in a coached class setting.
It’s a great fit if you’re training for a HYROX race, want more endurance-focused CrossFit-style training, or want a structured workout that blends strength and conditioning.
Every class is coached and tailored to your level.
What to expect
Depending on the day, you may train:
New to HYROX? No problem. Our coaches will help you adjust the workout to your current fitness level.
View the class schedule →
Why train for HYROX at CrossFit Sanitas?
CrossFit Sanitas gives you the equipment, coaching, space, and class variety to train for HYROX in one place.
50+ weekly classes
HYROX + Endurance classes 4 days per week
Expert coaching in every class
Large central Boulder facility
CrossFit, Strength, Olympic Lifting, Women’s Strength, Personal Training, and Open Gym
4.9 Google rating
Best CrossFit in Boulder every year by the Boulder Daily Camera since 2016
If you’re training for a race, we can help you choose the right mix of HYROX + Endurance, CrossFit, Strength, and Open Gym.
Start with a free intro
Not sure where to begin? Start with a free 15-minute intro.
No workout. No pressure. Just:
Tour the gym
Talk through your goals, race plans, injuries, and schedule
Learn whether HYROX + Endurance is the right fit
Get your best starting option
Some people start directly in HYROX + Endurance. Others start with CrossFit, Strength, Foundations, or personal training.
We’ll meet you where you are
Trusted by Boulder athletes, beginners, and busy adults
At 52, I've never felt stronger or more motivated to continuously increase my strength and fitness. What keeps me coming back to CrossFit Sanitas are the knowledgeable and skillful coaches, a supportive community and a holistic approach to health and wellness.
— Nikki R.
HYROX Boulder FAQ
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No. HYROX + Endurance is great for race prep, but you can also take the class if you simply want a challenging coached workout that combines strength and endurance.
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Yes. You do not need to be an elite athlete. Our coaches can help you adjust the workout to your current fitness level.
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We currently offer HYROX + Endurance classes 4 days per week.
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A HYROX race includes running plus functional fitness stations: SkiErg, sled push, sled pull, burpee broad jumps, rowing, farmer’s carry, sandbag lunges, and wall balls.
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Yes. HYROX is more race-specific and combines running with set functional fitness movements. CrossFit includes a wider mix of strength, skill, and conditioning workouts. At Sanitas, many people use CrossFit, Strength, and HYROX + Endurance together.
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We’re in central Boulder at 2525 Arapahoe Ave, near Sprouts and McGuckin.
Ready to train for HYROX in Boulder?
HYROX + Endurance classes.
Expert coaching.
Strength, stamina, and race-style conditioning.
