9Round Kickboxing Fitness in Manhattan offers 30-minute kickboxing HIIT workouts built around boxing-inspired, full-body circuit training. The gym emphasizes a flexible format rather than rigid class schedules, with trainer-guided sessions designed to be challenging, approachable, and easy to fit into daily routines. Its coaching-led environment focuses on structure, accountability, and consistent effort, and personal training is also available for members seeking more individualized support.