May 2, 2025 Products you buy through our links may earn us a commission. Oh, and if something's out of stock, oops, it was there (and all prices were accurate) at time of publication. Orangetheory Fitness isn’t just a workout—it’s a bonafide movement. Since launching in 2010, OTF (as it’s called for short) has exploded in popularity, with more than 1,500 studios and a dedicated fan base that swears by its science-backed mix of rowing, running, and strength training.