There is a small T&F scene, but it comprises mostly of Thai professional athletes. They don't get much funding because the public interest and success just isn't there. They do all their training at the SAT on Ram. Not much on offer there for big noses to get involved in, unless you are a pro or trainer or something like that. Just as an amateur you are better off sticking to the hashes (if you run). Thai sport (like most nations around the world) channels monies toward success and public interest. The weight lifters and boxers get serious cash, T&F is a minor sport here, in all respects. The facilities at SAT are first rate though.