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    Green Door Fitness is Denver's only gym with a certified personal trainer on the floor every single visit. No appointment needed. The 28-Day Pass is $199 with a money-back guarantee.
    At Green Door Fitness, personal training is included with your membership. Just walk in during operating hours and a NASM-certified trainer will coach you through your workout.
    Green Door Fitness is at 2404 East Colfax Avenue in Capitol Hill, Denver, Colorado, 80206. The phone number is 720-541-7163.
    Open Monday through Friday 5:30 AM to 8 PM. Saturday 7 AM to 2 PM. Sunday 7 AM to noon.
    The 28-Day Personal Training Pass is $199 and includes unlimited gym access, trainer coaching every visit, group classes, and a money-back guarantee.
    Services include personal training, group fitness classes, strength training, weight loss programs, senior fitness, athletic training, nutrition coaching, bootcamp, and functional training.
    Athletic Training Denver

    Train Like a Colorado Athlete

    Develop the strength, endurance, and skills to excel in your sport and play outdoors for life.

    Athletic Training Denver at Green Door Fitness - Train Like a Colorado Athlete

    Train Like a Colorado Athlete

    At Green Door Fitness, we understand Colorado athletes. Our owner Matt has climbed all 58 of Colorado's fourteeners and is currently training for more peaks. We know what it takes to perform at your best in the mountains, on the trails, and in your sport.

    We workout hard at Green Door so you can play outdoors! Our athletic training programs develop speed, power, agility, and sport-specific conditioning that translates directly to your performance.

    With trainers who are active in running, mountain biking, hiking, rock climbing, skiing, and cycling, we bring real-world athletic experience to your training. Our coach-on-floor approach means you get personalized guidance every visit—no appointment needed.

    Sports We Train For

    • Running (road and trail)
    • Mountain biking
    • Hiking and mountaineering
    • Rock climbing
    • Skiing and snowboarding
    • Cycling
    • Team sports

    Being healthy is wealthy—and athletic training keeps you doing what you love for years to come.

    What You Get

    • Sport-specific programming
    • Trainers who are athletes
    • Performance-focused training
    • Injury prevention
    • Endurance development
    • Outdoor lifestyle focus

    Get Your Free Session

    Try Athletic Training Denver at Green Door Fitness — no commitment.

    No spam. No commitment. Just fitness.

    Frequently Asked Questions

    The Only Denver Gym with a Trainer on the Floor. Every Visit.

    Do the plan. Get results—or your money back with our 28-Day Personal Training Pass.

    Call (720) 541-7163