The OTbeatLink had been set for earlier this year, but when COVID-19 hit, studios shut down and the device release was delayed. SAN ANTONIO — Orangetheory Fitness fans are preparing for a big upgrade to the way they track personal workouts in San Antonio gyms. Orangetheory is a high-intensity interval training class that combines great music, high-energy coaches, competition and a variety of workouts to keep you motivated, an approach that has generated legions of fans for the workout chain.