Tira Klai-Angtong was Thailand's leading middle distance runner in the 1960-ies. He participated in the Asian Games 1962 and 1966 and in the University Games 1967, but could never manage to advance from his heats.
Personal Best: 1500 – 3:53.8 (1966).
|1964 Summer||21||Tokyo||Athletics||Men's 1,500 metres||Thailand||THA||10 h2 r1/3|
|1964 Summer||21||Tokyo||Athletics||Thailand||Round One||Heat Two||10||4:08.7|