How Much Does It Cost To Train Muay Thai In Thailand? Muay Thai – also known as Thai Boxing – was not as highly celebrated before as it is now. In fact, its explosion of popularity in recent years could be due to MMA and UFC. A lot of sports fans have taken a keen interest in learning this type of mixed martial arts. People are starting to believe in the idea of learning to defend themselves and staying fit. These are just two of the many reasons why this training is rapidly growing in popularity.