Personal Trainer · Denver, CO

Your goals.
Your pace.
Real results.

Hi, I'm Lilly — a certified personal trainer based in Denver. I offer one-on-one sessions and group fitness classes to members of the fitness center at the Jewish Community Center, private sessions at your home or office gym, virtual training over video call, and custom workout programs you can follow on your own. Whatever your goal, I'll meet you where you are.

How I Train

I focus on functional fitness and helping you reach your long-term goals while feeling good in the phase and body you're in right now.

I work with clients of all ages and fitness levels — from teenagers to senior adults — and I meet everyone exactly where they are. You are stronger than you think. My job is to help you discover that strength.

I believe consistency builds the foundation that everything else is built on, so I focus less on intensity and more on building a routine that sticks. I also like to explain the "why" behind every exercise, so the skills you learn with me actually carry over into solo workouts.

No judgment, ever. Fitness looks different for everyone, and I'm just here to help you find where you can move, grow, and feel stronger in life.

Functional fitness focuses on exercises that mimic real-world movements — squatting, lifting, pushing, pulling, carrying. Rather than isolating individual muscles, it trains your body to move as a whole, making everyday activities easier, reducing injury risk, and building strength that actually carries over into your life.
500+ Members
3 Training Locations
5★ Community Rating
Lilly Gelman, Personal Trainer

Find your fit.

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Personal Training at the JCC

One-on-one sessions at the Jewish Community Center in Denver. Personalized programming built around your goals, your schedule, and your body — with full access to the JCC's facilities.

For JCC members only

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Group Fitness at the JCC

Fun, inclusive group fitness classes at the JCC Denver. A great way to move with others, build consistency, and be part of a welcoming community.

For JCC members only

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At-Home Coaching

Can't make it to a gym? I come to you. At-home sessions are tailored to whatever space and equipment you have — no excuses, no commute, just results.

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Virtual Training

Train with me from anywhere. Virtual sessions are fully personalized and conducted over video call — perfect if you prefer working out on your own turf or aren't local to Denver.

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Custom Training Programs

Want a plan you can follow on your own? I'll build you a custom training program tailored to your goals, schedule, and available equipment — ready to follow whenever, wherever.

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Hybrid Coaching

The best of both worlds. Meet with me in person and virtually — a flexible approach that keeps you accountable and consistent no matter what life throws at you.

Ready to get started?
Let's talk.

Get in Touch →

Where to find me

JCC Personal Training

Service

1-on-1 Personal Training

Format

Private sessions, custom programming

For JCC members only

JCC Group Fitness

Service

HIIT Style Circuit Training

Format

Inclusive classes open to all levels

For JCC members only

Your Home or Office

Service

At-Home Coaching

Location

Denver metro area

Format

I come to you — minimal equipment needed

Virtual

Service

Virtual Training

Location

Anywhere — video call

Format

Live 1-on-1 sessions over video

Custom Programs

Service

Custom Training Programs

Location

Self-guided, follow anywhere

Format

Written plan built for your goals

Hybrid Coaching

Service

In-Person + Virtual

Location

Flexible — mix of both

Format

Consistent support however you need it