Son qualified for the South Korean squad in the women's road race at the 2008 Summer Olympics in Beijing by receiving a single berth from the defunct UCI B World Championships.

Passing through a three-hour limit and a 102.6-km mark, Son fell to the ground after a heavy collision with six other cyclists and did not finish the race.

[2][3][4] At the 2011 Summer Universiade in Shenzhen, Son joined her teammate Gu Sun-Geun to stand on the podium, as she handed the South Koreans a 1–2 finish with a silver medal time in 3:31:42.

[5][6] Two years later, at the 2013 Asian Cycling Championships in New Delhi, Son and her South Korean squad (led by 2012 Olympian Lee Min-Hye) posted a time of 4:41.500 to defeat Japan for the gold medal in the final match of the women's 4 km team pursuit.

This biographical article relating to a South Korean cycling figure is a stub.