Ignite. Sweat. Transform.

BURN HIIT Strength
Training Classes
in londonderry, NH

Turn up the heat and push your limits.

Book Your First Class

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•  BOOK YOUR FIRST CLASS   •

BURN at The Collective Studios is your go-to HIIT strength training class for building muscle, boosting endurance, and burning off stress, all in an empowering, beat-driven environment. Expect powerful intervals, creative sequencing, and just the right balance of challenge and fun.

LET’S GET STARTED.

Why Choose BURN at
The Collective Studios?

BURN isn’t just a workout, but an invitation to show up for yourself and move through fire with a community that’s got your back.

Here’s what makes BURN DIFFERENT:

  • Strength Meets Sweat — Build muscle and ignite your energy with smart, strength-focused intervals.

  • HIIT Format for Maximum Results — Alternate high-intensity moves with active recovery to keep your heart rate up and your body guessing.

  • Beat-Driven Energy — Let motivating playlists fuel your focus and your form.

  • Creative, Empowering Sequences — Every class is fresh, so no burnout, no boredom.

  • Supportive Community — Feel the energy of people who are cheering you on, not competing with you.

  • All Levels Welcome — Modifications always available, so take what you need and push when you can.

Reserve Your Spot

What Our Students Say

  • " The class itself was amazing. the instructor, was absolutely perfect—her energy, guidance, and vibe made the entire experience feel empowering and fun. The music was on point and really added to the flow of the class."

    — MARIE B

  • " I'm four months postpartum with my second child, and the class was designed for all fitness levels, making it super accessible. The tour was quick but efficient, the studio was clean and chic, and their beginner deal was fantastic. I can't wait to go back!"

    — Bernadette A

  • "My first class was great! Everyone is so welcoming and helpful. Full explanations of every exercise and encouragement along the way. A great atmosphere that prompted me to purchase a membership!"

    — Jacqueline E

  • "You’ll feel welcome upon arrival! The studio is clean and aesthetically pleasing. The class was tough, but the instructor gave great cues and encouraging feedback. Would recommend!"

    — Kasey D

MORE THAN A WORKOUT.

What You’ll Gain

  • Strength & Stamina — Build muscle while improving endurance and overall fitness.

  • Metabolic Momentum — Build energy and resilience that carries you through your day.

  • Stress Release & Clarity — Sweat it out and clear your mind. It’s therapy on the mat.

  • Power & Confidence — Surprise yourself with what you’re capable of.

  • Motivation & Support — Show up for yourself and get lifted up by your community.

  • Results You Can Feel — Walk out stronger, lighter, and ready for whatever comes next.

Claim Your Intro Offer

What to Know Before You BURN

  • A high-intensity interval training class that mixes strength training, cardio bursts, and beat-driven energy for a full-body burn.

  • Yes! Modifications are always provided, so you’re in control of how hard you push.

  • Water, breathable workout clothes, and a yoga mat (rentals available). Towels are provided. (Prepare to sweat!)

  • Stay hydrated, arrive 10-15 minutes early to get settled, and come ready to leave it all on the mat.

Book Now

Light Your Fire. Let’s BURN.

Join us at our Londonderry studio to challenge your limits and discover what your body can do.

Intro Offer:

2 weeks unlimited for $49 or
3 classes for $45

Book Your Class Today