Defined Fitness Hilltop Club is a full-service fitness center in Rio Rancho, New Mexico. Originally built in 1998 as the company’s first club in a new city, the Hilltop location reopened in January 2023 in a new facility for the Rio Rancho community. The club is described as the company’s biggest location at 60,000 square feet and features its largest turf functional training area along with a Venice Beach-style workout yard.