First Training Session — FREE for New Members|No commitments, no contracts
    GNG Boxing Logo - Pomona Youth Boxing Gym
    (909) 326-7076Free SessionFree Class
    Young kids training and boxing at GNG Boxing in Pomona
    010203
    Pomona's Boxing & Youth Gym

    Pomona Youth Boxing & Fitness Gym — Gloves
    Not
    Guns.

    We're building champions in the ring — and in life. A safer path for Pomona's youth, a stronger fight for every adult who walks in. Your first training session is on us.

    Pomona Champions
    Champion Coaches
    No Long-Term Contracts
    GNG Boxing coach mentoring a young fighter in the ring

    Train Free

    Your first session is on us — no card, no contract.

    //Youth Boxing//1-on-1 Training//Sparring//Adult Fitness//Competition Team//Mentorship//Youth Boxing//1-on-1 Training//Sparring//Adult Fitness
    500+

    Pomona Members Trained

    7+

    Years Building Champions

    12×

    Amateur Title Holders

    100%

    Free First Class Policy

    Voices From the Gym

    Real families.
    Real change.

    Don't take our word for it. Here's what Pomona parents, youth, and adult members have to say about training at GNG.

    Read our Google Reviews

    "GNG is the best boxing gym in the area, has amazing coaches that know how to teach and motivate kids from all levels of boxing, such a positive atmosphere, my son has gained so much confidence and knowledge at this gym."

    JM

    Jahvon Miranda

    Google Review

    "I tried the adult class with coach AB with my friend and we absolutely loved it. We had no prior boxing knowledge and the coach was very patient, encouraging, and helpful. 10/10 would def recommend!!!"

    KC

    Keely Cole

    Google Review

    "GNG boxing is such a great place! My daughter was able to get the first class for free so she can see what boxing is all about and she loved it! Not only were they very professional but the coach was amazing!"

    ES

    Erika S

    Google Review

    What We Train

    Five programs.
    One standard — excellence.

    From the eight-year-old learning their first jab to the amateur fighter prepping for a title shot — every program at GNG is built around technique, discipline, and a coach who actually knows you.

    Youth boxing training session for ages 8 to 18
    01 // Ages 5–17

    Youth Boxing

    Two age brackets (5–12, 13–17). Technique-first instruction, discipline, mentorship. Where confidence is built before the first bell.

    One-on-one private boxing coaching and mitt work
    02 // All Levels

    1-on-1 Coaching

    Private sessions built around your goals — fitness, fundamentals, or fight prep. Custom plan, one coach, direct accountability.

    Supervised boxing sparring session in the ring
    03 // Supervised

    Sparring Sessions

    Controlled, supervised, safety-first. Open to members and visiting boxers — where technique becomes instinct.

    Adult boxing fitness and cardio class
    04 // 18+

    Adult Boxing

    Real boxing training for adults. Cardio that actually works, strength that holds up, technique that earns respect.

    Amateur competition team boxing match
    05 // Invite-Based

    Competition Team

    Our amateur fighters earn their spot. Tournament prep, fight-night coaching, the road to a sanctioned bout.

    Youth mentorship and career pathways beyond the ring
    06 // Beyond the Ring

    Career Pathways

    Job placements, trade learning, mentorship. For youth who don't pursue boxing pro — we open other doors.

    Start Your Journey

    From sidewalk to first bell
    in three steps.

    01

    Book Your Free Session

    Pick a time that fits your schedule. No payment, no commitment, no questions. Just walk in ready to work.

    Book Now
    02

    Meet Your Coach

    A one-on-one orientation. We assess where you're at, what you want, and build a plan that actually fits. No cookie-cutter classes.

    03

    Start Training

    Join group classes, lock in 1-on-1's, or both. Show up, work hard, and we'll handle the rest. Your transformation starts on day one.

    GNG
    GNG Boxing coach working on mitts with a young fighter

    Built for Pomona's kids. Open to everyone.

    Our Mission

    More than a gym.
    A safer path
    for our kids.

    GNG Boxing stands for transformation. In a world where young people face countless challenges — and the wrong influences are always loud — we provide a positive alternative.

    The "Gloves Not Guns" philosophy is our commitment to giving Pomona's youth the tools, mentorship, and community they need to choose a path of strength, discipline, and success.

    Every young person who walks through our doors becomes part of a family — dedicated to their growth, inside the ring and far beyond it.

    Character

    Discipline & respect taught in every class

    Community

    Mentors who know your kid by name

    Opportunity

    Trades, jobs, & life paths beyond the ring

    The Gym

    Inside GNG.

    Clean, professional, fully-equipped — and 5 minutes from downtown Pomona. Free parking. Walk in any time during open hours.

    Training Prices

    Two plans.
    Built for you.

    Month-to-month. Cancel anytime. Your first training session is always free — no card on file required.

    Adult Membership

    Boxing & Fitness

    For ages 18+

    $160/mo (Mon/Wed/Fri)
    $125/mo (Tue/Thu)
    • M/W/F classes: 8:00–9:00 AM
    • T/Th classes: 7:30–8:30 PM
    • Personal training plan
    • Coach support & advice
    • Sparring opportunities

    Try free first → no card required

    Most Popular

    Youth Membership

    Youth Boxing Program

    For ages 5–17

    $125/month
    • Unlimited gym access
    • Personalized training plan
    • Group boxing & age-bracket classes
    • Mentorship & character development
    • Sparring & competition pathway
    • Career & trades guidance
    Enroll Your Kid

    Try free first → no card required

    No long-term contracts
    Cancel anytime
    Family discounts available
    Time to Train

    Class Schedule

    Filter by program. Show up early, gear bag in hand, ready to work.

    Monday

    • 8–9AM

      Adult Class

      Boxing & Fitness

    • 3:45–4:45PM

      Kids Class

    • 5–6PM

      Kids Class

    • 6–7PM

      Competition Team

    • 7–8PM

      Teen Class

    Tuesday

    • 6–7:30PM

      Competition Sparring

    • 7:30–8:30PM

      Adult Class

    Wednesday

    • 8–9AM

      Adult Class

      Boxing & Fitness

    • 3:45–4:45PM

      Kids Class

    • 5–6PM

      Kids Class

    • 6–7PM

      Competition Team

    • 7–8PM

      Teen Class

    Thursday

    • 6–7:30PM

      Competition Sparring

    • 7:30–8:30PM

      Adult Class

    Friday

    • 8–9AM

      Adult Class

      Boxing & Fitness

    • 3:45–4:45PM

      Kids Class

    • 5–6PM

      Kids Class

    • 6–7PM

      Competition Team

    • 7–8PM

      Teen Class

    Saturday

    • 10AM

      Sparring

    Not sure where to start?

    Book a free assessment. We'll match you with the right program.

    Book Assessment

    * Class times and availability are subject to change. Please contact us or book your session in advance to confirm the current schedule.

    Got Questions?

    Frequently Asked Questions.

    Visit Us

    Where champions train.

    Location

    253 E Park Ave
    Pomona, CA 91766

    Hours

    Mon - Fri: 9:00 AM - 8:00 PM
    Sat - Sun: 11:00 AM - 2:00 PM

    Contact

    (909) 326-7076

    Get Directions