Only at the age of 16, Chainarong Wangganont ran for the Thai 4×100 m team in the Asian Games 1986, the team reaching the final and a 6th place. In 1998 he came second in 200 m at the Asian Junior Championship, before being selected for the 4×100 m Olympic team.
Personal Best: 100 – 10.5 (1989).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Athletics |  THA |
Chainarong Wangganon | |||
| 4 × 100 metres Relay, Men (Olympic) | Thailand | 5 h3 r1/3 |
