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Underground Lab Boxing and Fitness

5 ★★★★★ 9 Google reviews · Kickboxing gym in Elk Grove, California

Free trial Beginners welcome Kids & teens Cardio kickboxing Private lessons New

Plan your first class

  • Free trial or intro class most gyms welcome new members with a free trial or intro class — check their site or give them a call to book your first session
  • Beginner-friendly all fitness levels welcome, including total beginners — no experience needed, and you get in shape by training, not before
  • Cardio kickboxing classes high-energy cardio kickboxing on the bags and pads — a fun, sweaty workout built for fitness and weight loss, at your own pace
  • Kids & teen classes kids and teen kickboxing classes — built around confidence, focus, and fun
  • Private lessons one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Sparring sparring and partner work for members who want it — always optional, eased in gradually, with the coach controlling the contact
  • Today see hours ·
  • Website & schedule undergroundlabboxing.com — book classes and see the live schedule
  • Phone +1 916-494-8329

Hours

Monday 8:30–10:30 am, 5:30–7:30 pm
Tuesday 8:30–10:30 am, 5:30–7:30 pm
Wednesday 8:30–10:30 am, 5:30–7:30 pm
Thursday 8:30–10:30 am, 5:30–7:30 pm
Friday 9:30–10:30 am
Saturday 9:30–11:30 am
Sunday 8:30–10:30 am

Hours shift for holidays and class-schedule changes — worth a quick check before a special trip.

The classes they run

Kickboxing classes on the schedule at Underground Lab Boxing and Fitness, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🥊 Boxing 3 mentions

“Underground Lab is the best boxing/kickboxing gym in the Sacramento area!”

All gyms that run boxing →

🔥 Cardio Kickboxing

“Whether you're a beginner or expert you will always get a great workout here.”

All gyms that run cardio kickboxing →

🌱 Beginners

“Whether you're a beginner or expert you will always get a great workout here.”

All gyms that run beginners →

Other martial arts here

Kickboxing gyms are usually multi-discipline. Here's what else members mention training under the same roof at Underground Lab Boxing and Fitness — mined from their reviews and the gym's own info.

🥊 Boxing 3 mentions

“Underground Lab is the best boxing/kickboxing gym in the Sacramento area!”

Other gyms that also teach boxing →

Disciplines are mined from reviews and the gym's own info — they show what members have trained, not a formal class guarantee. If you specifically want muay thai, boxing, or MMA alongside your kickboxing, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 9 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 2 mentions

“Great coaches and it’s only going to get better when they move everything to the new location.”

🌱 welcoming to beginners 3 mentions

“Whether you're a beginner or expert you will always get a great workout here.”

💗 welcoming to women 2 mentions

“I’m an older women but they treat you so amazingly and are so understanding , just truly a great place !”

From the reviews

Underground Lab is the best boxing/kickboxing gym in the Sacramento area! Whether you're a beginner or expert you will always get a great workout here. Can't say enough good things about the coaches and fellow members.

★★★★★ — Will, Apr 2026

I can’t say enough good things about Underground Lab Boxing & Fitness. From the moment I walked in, I felt welcomed and supported. The energy in the gym is unmatched it’s motivating, positive, and truly feels like a community.

★★★★★ — Jennifer, Apr 2026

This is an amazing place and workout , total fitness ! They have everything you need all in one place ! Love it ! I’ve never been so fit ! I’m an older women but they treat you so amazingly and are so understanding , just truly a great place !

★★★★★ — Stephanie, Apr 2026

This is a great club. Everyone is cool and the trainers are helpful. I get a full workout every time. Nice way to end the day.

★★★★★ — Brian, Apr 2026

Excerpts from public Google reviews. Read all 9 reviews →

New to kickboxing? Start at Underground Lab Boxing and Fitness

Underground Lab Boxing and Fitness comes up as a beginner-friendly gym — noted on their own site. If you've never thrown a punch or a kick, that's exactly who a good beginners class is for. A few things worth knowing before your first week. First, you don't need to be fit or coordinated to start — you get in shape by training, not before it, and coaches scale every drill to you. Second, you won't be thrown into hard sparring — reputable gyms build the basics (stance, footwork, and punches and kicks on pads and bags) first, and any contact eases in gradually under a coach's control. Third, all fitness levels really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out. Most gyms are happy to let you watch or try a class first, so reach out before you commit.

Check beginner classes on their site

Your first kickboxing class at Underground Lab Boxing and Fitness

Nervous about walking into a kickboxing gym for the first time? Almost everyone is, and good coaches expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling the basics — stance, footwork, and punches and kicks on pads or a heavy bag — not hard sparring. Go at your own pace and rest whenever you need to; no one will bat an eye. What to wear: comfortable athletic clothes you can move and sweat in, and supportive trainers. What to bring: water, and hand wraps and gloves if you have them — many gyms lend loaner gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves and wraps (and shin guards once you start sparring). Sparring is optional and eases in gradually, once your basics are solid. Arrive 10–15 minutes early to sign a waiver and meet the coach. It gets easier fast — most people feel far more at home by their third class.

Kickboxing is a contact sport. Warm up, pace yourself, listen to your coaches, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find Underground Lab Boxing and Fitness

9733 Kent St, Elk Grove, CA95624

Get directions Instagram

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this gym? Claim your listing — it's free.