If you’re searching for the best boxing gyms in Denver, one name consistently rises to the top: TOS Boxing Gym. Located just minutes from downtown, TOS offers more than just punching bags and heavy mitts—it delivers a pro-level training experience grounded in community, discipline, and elite performance.

Led by former heavyweight contender DaVarryl J. Williamson, MA HOF, TOS stands out as both a neighborhood staple and a hidden gem for serious athletes.

First Impressions: Raw, Real, and Results-Driven. From the moment you walk into TOS, the vibe is different. The gym is unpretentious but electric. Whether it’s early morning footwork drills or after-hours mitt work under the lights, every moment in this space feels like a step inside a true fighter’s world.

But don’t let the intensity fool you—TOS is welcoming, not intimidating. The coaches take the time to get to know your goals, whether you’re looking to compete, get in shape, or just learn how to throw a proper jab.

Training Like a Pro (Without the blows). What sets TOS apart is its ability to offer pro-athlete gym experiences to everyday people. Workouts are structured, high-energy, and deeply focused on technique—no cookie-cutter routines here.

You’ll find:

• Elite-level mitt work
• Heavy bag conditioning
• Footwork & ring movement drills
• Mental toughness & mindset coaching

Classes range from beginner-level boxing basics to advanced sparring sessions, and every workout is carefully curated to balance performance and personal development.

Check out the class schedule to find the right fit for your level.

Amateur and Pro Boxing Training TOS proudly offers training programs for both USA Boxing Amateur competitors and professional-level boxers. Whether you’re preparing for your first amateur bout or aiming to climb the pro ranks, TOS provides elite coaching, advanced training methods, and competition-focused preparation.

Expert Coaching from DaVarryl J. Williamson, MA HOF Having a former world-title contender and Colorado Sports Hall of Famer in your corner is no small thing. DaVarryl J. Williamson brings unmatched credibility, intensity, and inspiration to his coaching style.

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He’s not just teaching punches—he’s building champions in life. From competitive boxers to complete newcomers, DaVarryl’s guidance empowers everyone to dig deeper, focus harder, and show up with purpose.

Touchstone Youth Program (TYP) Non-profit Initiative In addition to boxing training, TOS supports the community through the Touchstone Youth Program (TYP), a registered 501(c)(3) nonprofit (EIN: 47-4295169). Founded by DaVarryl Williamson, TYP empowers youth through sports, mentorship, and personal development. Scholarships are available for qualifying students, including those attending college.

Your donations to TYP directly fund scholarships, community outings, and essential boxing equipment, fostering integrity, discipline, and lifelong skills among Denver’s youth.

Community That Hits Different While many gyms promise community, TOS actually delivers. Members range from students and entrepreneurs to former athletes and first-time fitness explorers. There’s a shared mindset: show up, work hard, and leave better.

Whether attending a youth class, participating in charity sparring nights, or getting a solid solo workout, you’re part of a culture prioritizing growth—both physical and mental.

Final Verdict: 5/5 — A Gym That Lives Up to the Hype TOS Boxing Gym isn’t trying to be trendy. It’s not just about cardio boxing or fitness fads. This is a real-deal training facility that blends professional-level instruction with heart, grit, and an inclusive atmosphere.

If you’re serious about boxing—or just serious about pushing yourself—TOS belongs on your radar.

Ready to train like a pro? Explore TOS Boxing classes or contact the team to book your first session.