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Aspire Fitness Walnut

5 ★★★★★ 51 Google reviews · Kickboxing gym in Walnut, California

Kickboxing gym Free trial Beginners welcome Cardio kickboxing Private lessons

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
  • Membership memberships run around $50/mo — many studios also offer class packs, drop-ins, and a discounted first month, so ask about new-member rates
  • 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
  • Private lessons one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Today see hours ·
  • Website & schedule aspirefitnessgym.com — book classes and see the live schedule
  • Phone +1 909-957-3500

Hours

Monday 7 am–10 pm
Tuesday 7 am–10 pm
Wednesday 7 am–10 pm
Thursday 7 am–10 pm
Friday 7 am–8 pm
Saturday 7 am–2 pm
Sunday Closed

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 Aspire Fitness Walnut, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🌱 Beginners 4 mentions

“Today I’m down almost 20 lbs, added a lot of lean muscle, and finally have visible abs for the first time in years.”

All gyms that run beginners →

🥊 Boxing

“I love boxing with Phil and I love lifting with Johann.”

All gyms that run boxing →

👤 Private Lessons 3 mentions

“I got tighter without getting bigger which is exactly what I wanted from personal training.”

All gyms that run private lessons →

Other martial arts here

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

🥊 Boxing

“I love boxing with Phil and I love lifting with Johann.”

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 51 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 7 mentions

“Phil, Johann, Charlie, and Rainier are all excellent trainers, and as someone who doesn’t like lifting weights, I was always pushed to lift heavier and get stronger.”

🌱 welcoming to beginners 3 mentions

“Today I’m down almost 20 lbs, added a lot of lean muscle, and finally have visible abs for the first time in years.”

💦 killer cardio workout 2 mentions

“It sounds pretty extreme but I've literally improved my health and fitness levels so much and I feel like I'm in the best shape of my life and that's all at me being in my 40s.”

⚖️ great for weight loss 11 mentions

“Whether that's losing weight, getting more toned, working on a specific area of the body, or just a little stress relief, they are there with their fullest attention!”

From the reviews

Ive been training with Phillip since March and I’ve really enjoyed my time here. My husband and I have trained with other trainers who were always late or canceled so its refreshing to go to a gym where we could trust the trainers. Some even added people to our sessions while we were paying for that 1 on 1 time.

★★★★★ — Minji, Aug 2022

Phillip and Johann are among the most genuine and dedicated fitness professionals I’ve come across. Their passion and attention to detail are clear in every training session and every check-in.

★★★★★ — Kenny, Jun 2025

Phillip and Johann have been an absolute pleasure to work with! I love boxing with Phil and I love lifting with Johann. They’re always so fun to talk to and it really makes it enjoyable to come workout here! Gym always has AC on in the summer which is nice when we’re working out so hard. Best gym ever!

★★★★★ — Ginny, Jun 2025

Aspire Fitness is perfect for people of all fitness levels. I consider myself to be an active person. Before Aspire, I went to the gym 2 to 3 times a week, and I enjoyed running half marathons and Spartan races, but for some reason, it was difficult for me to maintain a consistent physique without doing extreme…

★★★★★ — Richie, Sep 2025

Excerpts from public Google reviews. Read all 51 reviews →

New to kickboxing? Start at Aspire Fitness Walnut

Aspire Fitness Walnut 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 Aspire Fitness Walnut

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 Aspire Fitness Walnut

398 Lemon Creek Dr J, Walnut, CA91789

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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.