| Year | Competition | Venue | Position | Event | Notes |
Representing Trinidad and Tobago |
| 2006 |
CARIFTA Games (U17) |
Les Abymes, Guadeloupe |
6th |
300 m hurdles |
45.76 |
Central American and Caribbean Junior Championships (U20) |
Port of Spain, Trinidad and Tobago |
3rd |
300 m hurdles |
43.36 |
| 2nd |
4 × 400 m relay |
3:47.28 |
| 2007 |
CARIFTA Games (U17) |
Providenciales, Turks and Caicos |
7th |
400 m |
56.80 |
| 6th |
100 m hurdles (76.2 cm) |
14.88 |
| 2nd |
300 m hurdles |
43.65 |
| 2008 |
CARIFTA Games (U20) |
Basseterre, Saint Kitts and Nevis |
5th |
400 m hurdles |
64.47 |
| 2nd |
4 × 400 m relay |
3:43.65 |
| 2009 |
CARIFTA Games (U20) |
Vieux Fort, Saint Lucia |
9th (h) |
400 m |
56.82 |
| 4th |
4 × 400 m relay |
3:47.38 |
| Pan American Junior Championships |
Port of Spain, Trinidad and Tobago |
6th |
400 m |
55.05 |
| 8th |
400 m hurdles |
66.00 |
| 2010 |
CARIFTA Games (U20) |
George Town, Cayman Islands |
2nd |
400 m |
53.96 |
| 2nd |
4 × 400 m relay |
3:37.32 |
Central American and Caribbean Junior Championships (U20) |
Santo Domingo, Dom. Rep. |
5th |
400 m |
54.80 |
| 2nd |
4 × 400 m relay |
3:38.49 |
| World Junior Championships |
Moncton, Canada |
25th (h) |
400 m |
55.01 |
| 2012 |
NACAC U23 Championships |
San José, Costa Rica |
4th |
400 m |
52.79 |
| 2nd |
4 × 400 m relay |
3:33.03 |
| 2013 |
Central American and Caribbean Championships |
Morelia, Mexico |
1st |
4 × 400 m relay |
3:30.64 |
| World Championships |
Moscow, Russia |
28th (h) |
400 m hurdles |
58.85 |
| 13th (h) |
4 × 400 m relay |
3:33.50 |
| 2015 |
Pan American Games |
Toronto, Canada |
5th |
400 m hurdles |
57.30 |
| 7th |
4 × 400 m relay |
3:33.31 |
| NACAC Championships |
San José, Costa Rica |
2nd |
400 m hurdles |
55.41 |
| 5th |
4 × 400 m relay |
3:33.85 |
| World Championships |
Beijing, China |
17th (sf) |
400 m hurdles |
56.21 |
| 2016 |
Olympic Games |
Rio de Janeiro, Brazil |
30th (h) |
400 m hurdles |
56.80 |
| 2017 |
World Championships |
London, United Kingdom |
19th (sf) |
400 m hurdles |
56.59 |
| 2018 |
Commonwealth Games |
Gold Coast, Australia |
7th |
400 m hurdles |
57.45 |
| Central American and Caribbean Games |
Barranquilla, Colombia |
5th |
400 m hurdles |
55.56 |
| NACAC Championships |
Toronto, Canada |
6th |
400 m hurdles |
56.33 |
| 2019 |
Pan American Games |
Lima, Peru |
11th (h) |
400 m hurdles |
57.04 |