F45 Training Santee

F45 Training is an Australian franchiser and operator of fitness centers based in Austin, Texas. It has around 1,600 studios in over 60 countries across Australia/Oceania, North America, South America, Asia, Europe, and Africa. The first gym was founded by Luke Istomin and Rob Deutsch, and the fitness franchise was launched in 2013 with Adam Gilchrist. It was ranked the fastest growing fitness franchise in the US in 2021, one of the fastest globally. It has around 1,600 studios worldwide, including approximately 240 studios in Australia and about 1,000 studios in North America as of 2024.