HIIT training at Grind House is built for effort, intensity, and variety. Expect fast-paced circuits that combine strength work, cardio pushes, bodyweight drills, and functional equipment.
View ScheduleClaim Your 3-Day TrialWhat is a Grind House HIIT Class?
HIIT training at Grind House is built for effort, intensity, and variety. Expect fast-paced circuits that combine strength work, cardio pushes, bodyweight drills, and functional equipment.
Located in Flatiron, Manhattan, Grind House brings a dark, high-performance training environment to group fitness. Every class is coached with intention, structure, and the kind of energy that makes the room move.
Built For
- Flatiron and Manhattan members who want focused training
- All levels ready to work with intensity and control
- Members looking for a premium boutique gym atmosphere
Benefits of High-Intensity Circuit Workouts
HIIT helps build conditioning, lean strength, and mental grit in a compact group format where no two workouts feel the same.
Coached Energy
Train with clear structure, music, and momentum in every session.
Performance Focus
Move with purpose, build capacity, and keep progressing week after week.
Flatiron Access
Book your next class near the center of Manhattan’s training scene.
View the Flatiron HIIT Class Schedule
Check the live schedule, reserve your spot, or start with the 3-Day Trial to experience Grind House for yourself.
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