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8 Years
experience
Your Premier Fitness Destination in Merrimack, NH
At RD1 Fitness, we are dedicated to transforming lives through innovative fitness solutions. Our mission is to help members achieve their health goals by creating an enjoyable, sustainable lifestyle centered around expert-led training. With over 30 years of combined experience, our team caters to all fitness levels, from beginners to elite athletes, fostering a supportive community that prioritizes growth and accountability. Our programs enhance lean muscle, reduce body fat, improve athleticism, and promote stress management through dynamic 50-minute sessions. We specialize in Strength & Conditioning, HIIT workouts, Muay Thai, and personalized training, complemented by nutrition guidance and group challenges.

Our boutique-style group training emphasizes quality coaching, injury prevention, and functional fitness, ensuring every client receives individualized attention. We believe consistency is key to unlocking long-term benefits, including pain reduction, improved mental health, and overall well-being. Our flexible offerings, including private sessions and seasonal group challenges, create opportunities for motivation, accountability, and friendly competition. Located in Merrimack, New Hampshire, we invite you to join a community where expertise meets passion for fitness. Our commitment to excellence and client-centric approach make RD1 Fitness the ideal partner for your health journey.
Services
Strength & Conditioning HIIT Workouts Personal Training Group Classes Nutrition Guidance Muay Thai Training Weight Loss Programs Stretch Flow Step Cardio Cardio Kickboxing
Details
  • Year established: 2018
Highlights and features
  • We offer 30+ years of combined fitness expertise with personalized coaching for all levels.
  • Our dynamic programs blend strength, conditioning, and functional training for maximum results.
  • Nutrition guidance and group challenges foster accountability and long-term success.
  • Instructors prioritize injury prevention and proper form during every workout session.
  • Flexible options include private training, group classes, and seasonal fitness challenges.
What people say
Supportive environment Expert instructors Visible results Motivating challenges Customized programs
Services
Strength & Conditioning
Our Strength & Conditioning program combines functional exercises, mobility drills, and cardio endurance to build lean muscle, burn fat, and enhance athletic performance. Designed for all fitness levels, it improves core stability, injury resilience, and daily functional movement. Clients benefit from expert coaching and measurable progress toward holistic health goals.
HIIT Workouts
HIIT+ Workouts deliver maximum results in minimal time through interval training using dumbbells, barbells, and bodyweight exercises. These dynamic sessions boost cardiovascular health, increase metabolism, and improve muscular endurance. Ideal for busy individuals seeking efficient, scalable workouts in a motivating group environment.
Personal Training
Customized personal training programs target individual goals like weight loss, muscle gain, or injury rehabilitation. Clients receive dedicated attention, tailored nutrition advice, and progressive fitness plans. Semi-private options offer affordable partner training with personalized adjustments for varying fitness levels.
Group Classes
Small-group classes include Muay Thai, Step Cardio, and Cardio Kickboxing, blending skill development with calorie-burning intensity. These sessions foster camaraderie while improving coordination, strength, and endurance. Expert instructors ensure proper form and adapt exercises for all participants.
Weight Loss Programs
Our weight loss program integrates fitness assessments, nutrition education, and mindset coaching for sustainable results. Clients learn healthy eating habits, stress management techniques, and receive ongoing support through personalized workout plans and accountability check-ins to maintain long-term success.
Questions
What types of fitness programs do you offer?
We provide Strength & Conditioning, HIIT workouts, Muay Thai, personal training, and group classes focused on functional fitness and weight loss.
Are your trainers certified and experienced?
Our team has over 30 years of combined experience, with expertise in injury prevention, nutrition, and adaptive training for all fitness levels.
Can I join if I'm new to fitness?
Yes! We welcome all levels and offer scalable workouts, beginner-friendly classes, and personalized guidance to help newcomers build confidence safely.
How do group challenges work?
Seasonal group challenges promote accountability through team-based goals, offering motivation, friendly competition, and support for consistent progress.
What are your facility hours?
We operate by appointment only to ensure personalized attention. Contact us to schedule sessions that fit your availability.