 F45 Training Holdings Inc. F45, one of the fastest-growing fitness franchisors in the world with more than 1,900 franchises sold in over 50 countries, and Crescent Acquisition Corp NASDAQ: CRSA, CRSAU, CRSAW, a publicly-traded special purpose acquisition company, announced today that the companies have entered into a definitive agreement under which Crescent Acquisition Corp will acquire F45 to create a leading publicly-traded global fitness training and lifestyle brand. 