| Year | Competition | Venue | Position | Event | Notes |
|---|
Representing Saint Kitts and Nevis |
|---|
| 2006 | CARIFTA Games (U17) | Les Abymes,Guadeloupe | 4th (h) | 100 m | 11.26(+0.4 m/s) |
| 3rd (h) | 200 m | 23.46(+0.1 m/s) |
| 6th | 4 × 100 m | 44.23 |
Central American and Caribbean Junior Championships (U17) | Port of Spain,Trinidad and Tobago | 6th (h) | 100 m | 11.64(+1.0 m/s) |
| 5th | 4 × 100 m | 42.87 |
| 2008 | CARIFTA Games (U20) | Basseterre,Saint Kitts and Nevis | 4th (sf) | 100 m | 10.58w(+4.7 m/s) |
| 6th (sf) | 200 m | 21.95(-1.1 m/s) |
| 7th | 4 × 100 m | 77.94 |
Leeward Islands Junior Championships (U20) | Road Town,British Virgin Islands | 1st | 100 m | 10.67(+0.4 m/s) |
| 2nd | 200 m | 22.33(0.0 m/s) |
| 2nd | 4 × 100 m | 43.62 |
| Central American and Caribbean Championships | Cali,Colombia | 24th (h) | 100 m | 10.81A(+1.0 m/s) |
| 3rd | 4 × 100 m | 40.81 |
| Commonwealth Youth Games | Pune,India | 3rd | 100 m | 10.52(-0.1 m/s) |
| 4th | 200 m | 21.43(+0.2 m/s) |
| 2009 | CARIFTA Games (U20) | Vieux Fort,Saint Lucia | 5th (sf) | 200 m | 21.69w(+2.3 m/s) |
| 4th | 4 × 100 m | 41.04 |
| 6th | 4 × 400 m | 3:18.23 |
| Central American and Caribbean Championships | La Habana,Cuba | 22nd (h) | 100 m | 10.68(+0.1 m/s) |
| 21st (h) | 200 m | 21.85(-0.3 m/s) |
| Pan American Junior Championships | Port of Spain,Trinidad and Tobago | 6th | 100 m | 10.49(+0.7 m/s) |
| 4th (h) | 200 m | 22.16(0.0 m/s) |
| 7th | 4 × 400 m | 3:24.32 |
| 2010 | CARIFTA Games (U20) | George Town,Cayman Islands | 2nd | 100 m | 10.48(+0.8 m/s) |
Central American and Caribbean Junior Championships | Santo Domingo,Dominican Republic | 2nd | 100 m | 10.66(-1.3 m/s) |
| World Junior Championships | Moncton, New Brunswick,Canada | 6th | 100 m | 10.49(-0.7 m/s) |
| Central American and Caribbean Games | Mayagüez,Puerto Rico | 7th | 4 × 100 m | 39.43 |
| Commonwealth Games | Delhi,India | 8th | 100 m | 10.92(+0.1 m/s) |
| 2011 | Central American and Caribbean Championships | Mayagüez,Puerto Rico | 3rd | 4 × 100 m | 39.07 |
| World Championships | Daegu,South Korea | 3rd | 4 × 100 m | 38.49 |
| Pan American Games | Guadalajara,Mexico | 10th (sf) | 100 m | 10.44(-1.9 m/s) |
| 2nd | 4 × 100 m | 38.81 |
| 2012 | NACAC Under-23 Championships | Irapuato,México | 1st | 100 m | 10.06A(+0.9 m/s) |
| Olympic Games | London,United Kingdom | 5th (h) | 100 m | 10.30(+0.4 m/s) |
| 6th (h) | 4 × 100 m | 38.41 |
| 2013 | Central American and Caribbean Championships | Morelia,México | 5th | 100 m | 10.24A(+0.5 m/s) |
| 6th | 4 × 100 m | 39.82A |
| World Championships | Moscow,Russia | 15th (sf) | 100 m | 10.15(+0.4 m/s) |
| 13th (h) | 4 × 100 m | 38.58 |
| 2014 | World Indoor Championships | Sopot,Poland | 14th (sf) | 60m | 6.62 |
| World Relays | Nassau,Bahamas | 12th (B) | 4 × 100 m | 39.07 |
| Commonwealth Games | Glasgow,United Kingdom | 5th (sf) | 100 m | 10.30(0.0 m/s) |
| – | 4 × 100 m | DNF |
| Pan American Sports Festival | Ciudad de México,México | 1st | 100 m | 10.08A(-1.3 m/s) |
| 8th | 200 m | 20.84A(+0.6 m/s) |
| Central American and Caribbean Games | Xalapa,México | 4th | 4 × 100 m | 39.35A |
| 2015 | NACAC Championships | San José,Costa Rica | 6th | 100 m | 10.29(-0.1 m/s) |
| 6th | 4 × 100 m | 39.20 |
| 2016 | Olympic Games | Rio de Janeiro, Brazil | 15th (h) | 4 × 100 m | 39.81 |
| 2018 | Commonwealth Games | Gold Coast, Australia | 6th | 100 m | 10.24 |
| Central American and Caribbean Games | Barranquilla, Colombia | 2nd | 100 m | 10.15 |
| NACAC Championships | Toronto, Canada | 8th (h) | 100 m | 10.231 |
| 2019 | Pan American Games | Lima, Peru | 7th | 100 m | 10.40 |
| 2021 | Olympic Games | Tokyo, Japan | 17th (sf) | 100 m | 10.12 |