F45 Training Flatiron is a high-intensity interval training (HIIT) workout that challenges members like never before. The functional training sessions combine circuit and HIIT-style exercises, targeting everyday movement and providing a nearly infinite number of workout combinations. With thousands of exercises in the database, members rarely experience the same class twice. The facility is clean, and the trainers are extremely supportive, personable, and knowledgeable, ensuring a satisfying workout experience. Regardless of fitness level or experience, the trainers provide guidance, modifications, and a welcoming atmosphere. F45 Training Flatiron is an excellent choice for those seeking an athletic, fast-paced, and interesting workout to recapture their motivation and attention. Many members appreciate the great strength training and conditioning that the workouts offer and often feel sore, which reflects the effectiveness of the classes.
Love going to F45. It’s a great circuit workout that changes daily and the instructors are really engaging. A special shout out to Tyler who always brings the energy
January 2026
Staff is so friendly and location is great. It’s not too stuffy and really encourages space to learn and grow.
December 2025
Incredible workout and great vibes! Take advantage of the free trial and you’ll be hooked immediately!
