Weeraphon "Wave" Wichuma, a 19-year-old from Surin province, won silver in the men's 73-kilogramme weightlifting on Thursday at the Paris 2024 Olympics.
Indonesia won the gold medal, while Bulgaria won bronze.
In Paris, the Indonesian lifted 354kg, winning the competition by eight kilos over silver medallist Weeraphon, who posted a total of 346kg.
The real battle was for second and third, with Weeraphon lifting 198kg in the clean and jerk to finish with 346kg, just two kilos ahead of the Bulgarian.
As of Friday morning, Thai athletes have won a total of one gold, three silver and two bronze medals at the Paris Olympics.