Orangetheory Fitness (OTF) is a boutique fitness studio franchise based in Boca Raton, Florida. The first studio was established in Fort Lauderdale, Florida in 2010 by founder, Ellen Latham.[2] The classes are one hour long and involve two groups, one on the treadmills and the other group working with weights or on rowers.[2] Orangetheory Fitness has over 1,300 studios throughout 50 states and 23 countries.[3] Since its founding in 2010, the chain has expanded, surpassing $1 billion in systemwide sales in 2018.[4] As of 2020, the chain has over one million members.