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2404 E Colfax Ave, Denver, CO 80206 [(720) 541-7163](tel:+1-720-541-7163)

[(720) 541-7163](tel:+1-720-541-7163)

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[Denver Fitness](/blog?category=Denver%20Fitness)

# Adult Boot Camp in Denver: What to Actually Expect

M 

Matthew Hammel, NASM-CPT 

September 1, 2026

7 min read

![Matthew Hammel](data:image/jpeg;base64,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)

Matthew Hammel, NASM-CPT

Owner of Green Door Fitness, serving Denver's Congress Park, Cherry Creek, and Park Hill neighborhoods. NASM-certified personal trainer helping locals build strength, lose weight, and stay consistent — no appointments required.

The phrase "boot camp" scares off the exact people who would get the most out of it.

I hear it at the front desk all the time. Someone walks into our gym on East Colfax, asks about classes, and then adds some version of "but not the boot camp, I'm not in shape for that." They're picturing a drill sergeant, burpees until someone throws up, and a room full of people in their 20s who already look like they don't need a gym.

I've owned Green Door Fitness since 2014, and I can tell you that picture is wrong. At least it's wrong here, and it's wrong at any gym worth your money. So let me walk you through what an adult boot camp actually is, who it's for, and how to tell a good one from the kind that earns the bad reputation.

## What "adult boot camp" actually means

An adult boot camp is a coached group workout built around functional movements: squatting, hinging, pushing, pulling, carrying, and getting your heart rate up in intervals. The "adult" part matters. It signals that the class is built for people with jobs, kids, old injuries, and lives, not for college athletes.

In practice that means a warmup that actually prepares your joints, work periods with rest built in, and a coach whose main job is watching how you move. The format changes day to day so you don't plateau and you don't get bored. One session might be strength focused. The next might lean cardio. Over a few weeks you touch everything.

What it should never mean is punishment. If a class leaves you destroyed every single time, that's not coaching, that's entertainment. Soreness fades as your body adapts. If it never fades, the programming is bad.

## The Denver wrinkle: altitude changes the math

Training at 5,280 feet is different, and any Denver boot camp needs to account for it. There's less oxygen in every breath here, so cardio intervals hit harder than they would at sea level, especially if you're new to town or coming back after time away.

I've watched fit people who just moved here from Chicago or Houston get humbled by a conditioning block that our regulars handle fine. That's not a fitness problem. It's an adaptation problem, and it resolves with a few weeks of consistent training. But it's one more reason the first two weeks of any boot camp should be scaled down, not maxed out. A coach who tells a Denver newcomer to push through dizziness is a coach to walk away from.

The upside is real too. Build your engine at altitude and everything at lower elevation feels easier. A lot of our members train partly so that hiking season and ski season don't wreck them. If that's you, we wrote a whole piece on [training for a 14er](/blog/train-for-a-14er-denver-gym).

## Who actually shows up

The stereotype says boot camp is for the already fit. Our roster says otherwise.

The people in our group classes are mostly between their mid 30s and their 60s. Teachers, nurses, people who sit at a desk in Capitol Hill all day and feel it in their back. Some came to us after a doctor said the word "prediabetic." Some are training for a wedding or a big hike. Plenty just want to keep up with their kids. A decent number haven't exercised regularly in ten years.

What they have in common isn't a fitness level. It's that they do better with an appointment, a coach, and other people in the room than they do wandering a big box gym floor alone. That's the honest case for boot camp. The workout matters less than whether you keep showing up, and groups make showing up easier.

## Every exercise scales, or it should

Here's the part that separates a real adult boot camp from a bad one: scaling.

Every movement in a well run class has an easier version and a harder version. Can't do a pushup from the floor? You do them with your hands on a box. Jumping bothers your knees? You step. Deadlifts feel wrong for your back today? Lighter kettlebell, better position, or a different hinge entirely.

Someone who is 28 and someone who is 61 can do the same workout in the same room and both leave feeling like it was built for them. That only happens when the coach is on the floor watching, not up front performing. It's the thing I care most about in our [bootcamp classes](/services/bootcamp), and it's the first thing I'd evaluate anywhere else.

When you try a class, watch the coach during the workout. Are they moving around the room adjusting people, or are they doing the workout themselves with their back to everyone? That one observation tells you most of what you need to know.

## What a first week actually feels like

Expect to feel awkward. Everyone does. You won't know where the equipment lives, the timer format will confuse you once, and you'll be sore in muscles you forgot about. All normal, and all temporary.

A good gym handles that first week deliberately. At Green Door we'd rather you underdo it for two weeks than blow up your enthusiasm in three days. The goal of week one is not a great workout. The goal is that you come back for week two. Consistency beats intensity, and I've watched twelve years of members prove it.

You should also expect people to be friendlier than you fear. The person next to you was the nervous new one at some point. There's a reason boot camp classes turn into little communities. Sweating next to the same people twice a week does that.

## How to try one without a big commitment

The six week challenges and long contracts you see advertised put the commitment before the evidence. I'd flip that. Try a place properly, then decide.

That's why we built our [10-Day Fit Camp](/10-day-fit-camp) for people who are new to us. It's enough time to feel the coaching, meet the room, and see how your body responds, without signing a year of your life away. If you want a longer runway to build the habit, the [28-Day Pass](/28-day-pass) covers a full month of unlimited classes.

Wherever you go, ask three questions first. Does every workout scale for beginners? Will a coach watch my form or just count reps? And what happens if I have an injury or a bad back? The answers will sort Denver's gyms fast.

## FAQ

**Am I too out of shape for boot camp?** If the gym runs its classes properly, no. Every movement should scale to where you are today. If a gym tells you to "get in shape first" before joining a coached beginner friendly class, that gym has told you something useful about itself.

**Am I too old for boot camp?** Age matters less than coaching. We have members in their 60s who out-train members in their 30s. What changes with age is recovery and the importance of doing movements well, which is exactly why a coached class beats grinding alone. If group classes still feel like the wrong fit, [personal training](/services/personal-training) is the more tailored path.

**How many boot camp classes should I do per week as a beginner?** Two or three, with at least a day between them at first. More is not better in month one. Your joints and tendons adapt slower than your enthusiasm does, especially while your body is also adjusting to training hard at altitude.

**How is boot camp different from CrossFit?** There's overlap, and plenty of both done well in Denver. Generally, boot camp sticks to simpler movements with lighter loads and doesn't require learning technical barbell lifts like snatches. That makes the first month easier for most adults. CrossFit can be great with the right coach; it just asks more of a beginner sooner.

**Will boot camp help me lose weight?** It helps, but the honest answer is that classes alone won't outwork your kitchen. The workouts build muscle and burn calories, and just as importantly they keep you consistent. Pair them with changes to how you eat and the results compound. That's why we coach [nutrition](/services/nutrition-coaching) alongside training instead of pretending workouts do the whole job.

_Matthew Hammel, NASM-CPT, has owned Green Door Fitness at 2404 E Colfax Ave in Denver since 2014. Questions about getting started? Stop by or reach out through our [contact page](/contact)._

![Matthew Hammel](data:image/jpeg;base64,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)

Matthew Hammel, NASM-CPT

Green Door Fitness Trainer

Helping Denver residents reach their fitness goals with personalized training and expert guidance at Green Door Fitness, serving Congress Park, Cherry Creek, and Park Hill.

### Want a structured place to start?

Ten days of coached training with a trainer on the floor every visit.

[10-Day Fit Camp: $97](/10-day-fit-camp)[28-Day Pass: $97](/28-day-pass)

[All Articles](/blog)[(720) 541-7163](tel:720-541-7163)

### More to Read

[

Ski Season Training: How Denver Skiers Should Prep

Denver Fitness · 6 min read · Aug 15 

](/blog/ski-season-training-denver)[

Returning to the Gym After an Injury: How I Coach Denver Clients Back to Strength

Personal Training · 9 min read · Aug 1 

](/blog/return-to-gym-after-injury-denver)[

How to Rebuild Your Workout Routine in Denver When Summer Winds Down

Getting Started · 8 min read · Aug 1 

](/blog/fall-workout-routine-denver-after-summer)[

Couples Personal Training in Denver: Why Training Together Actually Works

Personal Training · 8 min read · Jul 15 

](/blog/couples-personal-training-denver-gym)

## Related Articles

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[

GDF 

Denver Fitness· 6 min read

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GDF 

Denver Fitness· 8 min read

### How to Pick the Right Gym in Denver (From Someone Who Runs One)



](/blog/how-to-pick-right-gym-denver)[

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Denver Fitness· 9 min read

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](/blog/train-for-a-14er-denver-gym)

## Put This Into Practice

Our trainers are here to help you see real results.

[Start Your 28-Day Pass](/28-day-pass)[Contact Us](/contact)

[![Green Door Fitness](data:image/png;base64,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)](/)

Denver's premier personal training studio focused on coach-on-floor support.

Serving Denver since 2014.

[](https://www.facebook.com/share/15zSiLSiaG/?mibextid=wwXIfr)[](https://www.instagram.com/greendoorfitness)

#### Quick Links

-   [Services](/services)
-   [28-Day Pass](/28-day-pass)
-   [Blog](/blog)
-   [Why Us](/how-were-different)
-   [About](/about-us)
-   [Contact](/contact)
-   [Neighborhoods](/service-areas)
-   [Membership](https://greendoorfitness.sites.zenplanner.com/sign-up-now.cfm)

#### Our Services

-   [Personal Training](/services/personal-training)
-   [Group Fitness](/services/group-fitness)
-   [Strength Training](/services/strength-training)
-   [Weight Loss Programs](/services/weight-loss-programs)
-   [Nutrition Coaching](/services/nutrition-coaching)
-   [Athletic Training](/services/athletic-training)
-   [Senior Fitness](/services/senior-fitness)
-   [Functional Training](/services/functional-training)
-   [Bootcamp](/services/bootcamp)
-   [Online Training](/services/online-training)

#### Neighborhoods

-   [Capitol Hill](/capitol-hill)
-   [Cherry Creek](/cherry-creek)
-   [Cheesman Park](/cheesman-park)
-   [City Park](/city-park)
-   [Congress Park](/congress-park)
-   [Crestmoor](/crestmoor)
-   [Five Points](/five-points)
-   [Highlands](/highlands)
-   [Hilltop](/hilltop)
-   [LoHi](/lohi)
-   [Lowry](/lowry)
-   [Mayfair](/mayfair)
-   [Montclair](/montclair)
-   [Park Hill](/park-hill)
-   [Platt Park](/platt-park)
-   [RiNo](/rino)
-   [Stapleton](/stapleton)
-   [Uptown](/uptown)
-   [Washington Park](/washington-park)

#### Contact Info

-   2404 E Colfax Ave, Denver, CO 80206 
-   [(720) 541-7163](tel:+1-720-541-7163)
-   [matt@greendoorfitness.com](mailto:matt@greendoorfitness.com)

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