Welcome to Certain Victory Martial Arts in Marlborough

Kick Your Way To Success

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Certain Victory Martial Arts & Fitness

At Certain Victory Martial Arts & Fitness, we offer the BEST & EXCITING Martial Arts & Fitness programs for kids, teens and adults in New England. Our kids classes teach children from ages 3-12 the importance of self-respect and discipline, as well as the importance of maintaining a healthy lifestyle and great grades in school. Develop a “YES I CAN” attitude at home, in school and everywhere. Get physically fit while having fun and learning valuable self-defense skills and appreciate the value of hard work to achieve worth goals! We are located on Route 20 East just beside Target in Marlborough. Certain Victory allows families to train together on the mats side by side or separately in age appropriate classes. Our teen and adult classes combine Cardio Kickboxing, Muay Thai, Boxing, Fitness and Self-Defense for a great workout that helps train reflexes and keeps you looking fit! Our classes are different, fun and chal lenging every session! GET STARTED TODAY by clicking the button below!

Our Expert Team

Our expert instructors teach you and/or your child valuable life skills such as confidence, discipline, self-defense, goal setting & leadership to push you to reach your goals!


Our Core Values

Our core values are built upon hard work and respect. We create an healthy & safe environment and mentor our clients to take personal responsibility for their results.


Our Mission

We are committed to providing innovative, relevant, sustainable and accessible Martial Arts and Fitness programs that empower our students for life.

Kids Martial Arts

Kids Martial Arts in Marlborough - Certain Victory Martial Arts & Fitness

Adult Martial Arts and Fitness

Adult Martial Arts and Fitness in Marlborough - Certain Victory Martial Arts & Fitness

Fitness Kickboxing

Fitness Kickboxing in Marlborough - Certain Victory Martial Arts & Fitness

Meet our Instructors

Eric Hobin, Certain Victory Martial Arts & Fitness testimonialS

We discovered Certain Victory about 5 years ago for my oldest son...now 12. I was immediately impressed with the way Mr Rich runs his business and the power he instills in the kids. I'm a big advocate and member of Scouts and it is great to see him teaching the principles of self worth, respect, .... Read more

Eric Hobin

Wendy Fullam, Certain Victory Martial Arts & Fitness testimonialS

I've taken evening kickboxing classes at close to a dozen schools in the past 20 years, moving around from Boston, to Florida, and now to Marlborough, MA. I would easily place this school at the top of the list. Classes are tough but fun, challenging and energizing. Instructors keep things .... Read more

Wendy Fullam

Scott Nassa, Certain Victory Martial Arts & Fitness testimonialS

I have been taking private Muay Thai and self defense lessons with Rich for almost a year now. Rich really knows his stuff and is a great instructor. I've been able to really come a long way and gotten in great shape and increased my endurance thanks to his teaching. I recommend anyone in the area .... Read more

Scott Nassa

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