Thailand long-stay visa options for Muay Thai training in 2026: What paperwork actually gets approved

I coach in Bangkok, and the visa question comes up so often that it’s basically part of the warmup now. Somebody finishes their first week, starts feeling good, then hits me with the same line: “Kru, how do I stay longer to train?” That’s exactly why Muay Thai Visa Thailand (MTVT) exists—because training is the […]