Career
At the 2000 Summer Olympics, she reached the second round of the women"s doubles with Sujitra Ekmongkolpaisarn, and the second round of the mixed doubles with Khunakorn Sudhisodhi. They defeated Denyse Julien and Anna Rice of Canada in the first round and Chikako Nakayama and Keiko Yoshimoti of Japan in the second. In the quarterfinals, Thungthongkam and Chankrachangwong lost to Zhang Jiewen and Yang Wei of China 15-2, 15-4.
They had a bye in the first run and were defeated by Frederik Bergstrom and Johanna Persson of Sweden in the round of 16.
At the 2008 Summer Olympics, she only competed in the mixed doubles, again with Sudket Prapakamol. She competed in the mixed doubles again at the 2012 Summer Olympics, where she again reached the quarter finals with Prapakamol.
This time they lost to Christinna Pedersen and Joachim Fischer of Denmark.