Grit 44, also referred to in source materials as 605 Grit Fitness, is a 24/7 strength training and fitness gym in Rapid City, South Dakota. Opened in 2019, the gym focuses on strength-based training with offerings that include personal training, nutrition coaching, and fitness classes. Its training specialties include powerlifting, strongman-style workouts, and obstacle course preparation, with coaching designed to support goals such as fat loss, muscle building, and overall fitness improvement.