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Kids Kickboxing in Portsmouth

2 gyms in Portsmouth, New Hampshire show real evidence — from their own sites or parents' reviews — of running kids or youth kickboxing classes. Kickboxing is a genuinely good fit for children: it builds confidence, focus, and fitness in a fun, disciplined setting, and younger kids work pads, bags, and drills rather than hard sparring. The best move before enrolling is simply to go watch a class — ask each gym what age ranges its classes serve and how much contact they involve for kids, and notice whether the coach is patient and the room is calm and organized. Gyms are ranked below by local reputation (rating weighted by review count), and with two options in town, it's worth visiting two before you decide.

A note for parents: kids' kickboxing is coach-supervised and built around discipline, fitness, and respect — not fighting. Reputable gyms keep younger kids on pads, bags, and drills, introducing any light, controlled contact gradually as kids grow. Ask about class age ranges and how much contact is involved for kids, and check with your pediatrician if your child has any health concerns. General information, not medical advice.

1. 9Round Portsmouth- 30 Min Kickboxing Fitness

5 ★★★★★ 73 reviews

72 Mirona Rd #1, Portsmouth, NH

Kids & teens Free trial Beginners welcome Private lessons Cardio kickboxing

Private / 1-on-1 lessons available — a gentle on-ramp for a nervous or younger first-timer.

“I always recommend 9Round to people looking to try something new, break out of a boring routine, or as a way to get started and check off personal fitness goals. At 9Round…” — Alexandra

2. Guy Chase Academy of Martial Arts

2.7 ★★★☆☆ 15 reviews

147 Congress Street, Portsmouth, NH

Kids & teens Private lessons

Private / 1-on-1 lessons available — a gentle on-ramp for a nervous or younger first-timer.

“Mr. Guy Chase is dedicated teacher and conservator of different martial arts styles from multiple credible sources. He is great person to learn from, Ask lots of questions, he…” — Eric

Enrolling your child in Portsmouth: practical notes

Watch a class first. Any welcoming gym will let you and your child observe before signing up. Look for a patient coach, a calm and organized room, and kids who are having fun while staying on task.
Ask about age ranges. Confirm which class fits your child — many gyms split younger kids from older kids and teens — so the pace and content match their age.
Ask how much contact is involved. Reputable gyms keep younger kids on pads, bags, and drills; any light sparring should be introduced gradually, kept controlled, and closely supervised.
Keep gear simple to start. Comfortable athletic clothes and water are enough for a first class — most gyms lend gloves, and they'll tell you when it's worth buying your own gloves and hand wraps. See the what-to-wear guide.
Use a free trial. Many gyms offer a free trial class — the lowest-pressure way to find out if it clicks for your child. See free kickboxing trial classes.

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