| <table border="1"> | |
| <tr><td>Year</td><td>Competition</td><td>Venue</td><td>Position</td><td>Event</td><td>Notes</td></tr> | |
| <tr><td>Representing Thailand</td><td>Representing Thailand</td><td>Representing Thailand</td><td>Representing Thailand</td><td>Representing Thailand</td><td>Representing Thailand</td></tr> | |
| <tr><td>2006</td><td>Asian Junior Championships</td><td>Macau, China</td><td>8th</td><td>110 m hurdles (99 cm)</td><td>14.58</td></tr> | |
| <tr><td>2007</td><td>Asian Indoor Games</td><td>Macau, China</td><td>9th (h)</td><td>60 m hurdles</td><td>8.17</td></tr> | |
| <tr><td>2008</td><td>Asian Junior Championships</td><td>Jakarta, Indonesia</td><td>6th</td><td>110 m hurdles (99 cm)</td><td>14.09</td></tr> | |
| <tr><td>2009</td><td>Asian Championships</td><td>Guangzhou, China</td><td>6th</td><td>110 m hurdles</td><td>14.07</td></tr> | |
| <tr><td>2009</td><td>Asian Indoor Games</td><td>Hanoi, Vietnam</td><td>5th</td><td>60 m hurdles</td><td>7.88</td></tr> | |
| <tr><td>2009</td><td>Southeast Asian Games</td><td>Vientiane, Laos</td><td>1st</td><td>110 m hurdles</td><td>13.89</td></tr> | |
| <tr><td>2010</td><td>Asian Games</td><td>Guangzhou, China</td><td>6th</td><td>110 m hurdles</td><td>13.81</td></tr> | |
| <tr><td>2011</td><td>Asian Championships</td><td>Kobe, Japan</td><td>4th</td><td>110 m hurdles</td><td>13.96</td></tr> | |
| <tr><td>2011</td><td>Southeast Asian Games</td><td>Palembang, Indonesia</td><td>1st</td><td>110 m hurdles</td><td>13.77</td></tr> | |
| <tr><td>2013</td><td>Asian Championships</td><td>Pune, India</td><td>5th</td><td>110 m hurdles</td><td>14.07</td></tr> | |
| <tr><td>2013</td><td>World Championships</td><td>Moscow, Russia</td><td>31st (h)</td><td>110 m hurdles</td><td>14.71</td></tr> | |
| <tr><td>2013</td><td>Southeast Asian Games</td><td>Naypyidaw, Myanmar</td><td>1st</td><td>110 m hurdles</td><td>13.72</td></tr> | |
| <tr><td>2014</td><td>Asian Games</td><td>Incheon, South Korea</td><td>3rd</td><td>110 m hurdles</td><td>13.61</td></tr> | |
| <tr><td>2015</td><td>Asian Championships</td><td>Wuhan, China</td><td>4th</td><td>110 m hurdles</td><td>13.77</td></tr> | |
| <tr><td>2015</td><td>Southeast Asian Games</td><td>Singapore</td><td>1st</td><td>110 m hurdles</td><td>13.69</td></tr> | |
| <tr><td>2015</td><td>World Championships</td><td>Beijing, China</td><td>35th (h)</td><td>110m hurdles</td><td>14.00</td></tr> | |
| </table> | |