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Rumble Boxing
4.3 ★★★★☆ 177 Google reviews · Kickboxing gym in Sunnyvale, California
Affiliated gym — reviews and the gym's own info suggest it belongs to a known kickboxing or boxing-fitness franchise or network (think 9Round, iLoveKickboxing, CKO, TITLE Boxing Club or Jabz). Franchise gyms run a consistent class format and are often a friendly, familiar place to start. If a specific brand matters to you, confirm it on the gym's own site.
Plan your first class
- 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
- Today see hours ·
- Website & schedule rumbleboxinggym.com — book classes and see the live schedule
- Phone (408) 459-7888
Hours
| Monday | 5:30 AM–8 PM |
| Tuesday | 5:30 AM–8 PM |
| Wednesday | 5:30 AM–8 PM |
| Thursday | 5:30 AM–8 PM |
| Friday | 5:30 AM–8 PM |
| Saturday | 7:30 AM–12:30 PM |
| Sunday | 7:30 AM–12:30 PM |
The classes they run
“The studio is always clean and well-organized, which makes for a great workout environment.”
“As a woman, trying to join a male dominated sport, I really appreciated the support.”
“The workouts are challenging yet adaptable for all fitness levels, and the energy in every session keeps you motivated to push your limits.”
“While I'm new to boxing, I often take exercise classes like Pilates and hot yoga, and can say he's by far one of my favorite trainers I've interacted with.”
“Highly recommend this boxing gym for a good HIIT session.”
Other martial arts here
“While I'm new to boxing, I often take exercise classes like Pilates and hot yoga, and can say he's by far one of my favorite trainers I've interacted with.”
What members say
“I’ve taken classes with Katie, Jose, and several other incredible instructors, and after every class, you walk out feeling like you conquered something.”
“JT and Isaiah are pretty intense so if you’re looking for a first time class i would do one of the others i mentioned.”
“It felt like a party, the music was bumping and it helped energize us for a great workout!”
“The studio is always clean and well-organized, which makes for a great workout environment.”
“The studio is always clean and well-organized, which makes for a great workout environment.”
“As a woman, trying to join a male dominated sport, I really appreciated the support.”
From the reviews
Perfect start to the day. I took the unlimited membership and I'm checking in 4 times a week now :) The 6AM Rumble class fits perfectly before office and is exactly what I was looking for — just 45 minutes of HIIT and upper body strength work.
Rumble Boxing is the perfect spot for an intense workout! The energy is incredible, and the team there makes every class feel like a win. Huge shoutout to Jose—he’s one of my favorite instructors and always keeps the motivation high.
I joined Rumble Boxing years ago in Palo Alto, and when I moved to Sunnyvale and found out a new studio had opened, I knew I had to give it a try. Now that I’ve taken plenty of classes, I can confidently say it’s been an amazing experience.
Took a class today with new trainer, Fernando Colmenares. While I'm new to boxing, I often take exercise classes like Pilates and hot yoga, and can say he's by far one of my favorite trainers I've interacted with. He was very helpful and motivating.
New to kickboxing? Start at Rumble Boxing
Rumble Boxing 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.
Your first kickboxing class at Rumble Boxing
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.
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