Cydonie Mothersille
Giải đấu quốc tế

| Năm> Representing the  Quần đảo Cayman | Giải đấu> Representing the  Quần đảo Cayman | Địa điểm> Representing the  Quần đảo Cayman | Thứ hạng> Representing the  Quần đảo Cayman | Nội dung> Representing the  Quần đảo Cayman | Chú thích> Representing the  Quần đảo Cayman |
| --- | --- | --- | --- | --- | --- |
| 1992 | CARIFTA Games (U-17) | Nassau, Bahamas | 8th | 200 m | 27.12 w |
| 1993 | CARIFTA Games (U-17) | Fort-de-France, Martinique | 8th | 100 m | 12.52   (−0.6 m/s) |
| 1994 | CARIFTA Games (U-17) | Bridgetown, Barbados | 3rd | 100 m | 11.97 |
| 1994 | CARIFTA Games (U-17) | Bridgetown, Barbados | 2nd | 200 m | 24.31 |
| 1994 | Central American and Caribbean Junior Championships (U-17) | Port of Spain, Trinidad and Tobago | 8th | 100 m | 12.1   (−0.4 m/s) |
| 1994 | Central American and Caribbean Junior Championships (U-17) | Port of Spain, Trinidad and Tobago | 2nd | 200 m | 24.8   (−2.3 m/s) |
| 1994 | World Junior Championships | Lisbon, Bồ Đào Nha | 27th (h) | 200m | 24.65 (wind: +1.0 m/s) |
| 1995 | CARIFTA Games (U-20) | George Town, Cayman Island | 3rd | 100 m | 11.72 |
| 1995 | CARIFTA Games (U-20) | George Town, Cayman Island | 3rd | 200 m | 23.83 |
| 1996 | CARIFTA Games (U-20) | Kingston, Jamaica | 1st | 100 m | 11.35   (0.9 m/s) |
| 1996 | CARIFTA Games (U-20) | Kingston, Jamaica | 1st | 200 m | 23.77   (−4.4 m/s) |
| 1996 | Olympic Games | Atlanta, United States | 6th (h) | 100 m | 11.61   (0.6 m/s) |
| 1996 | World Junior Championships | Sydney, Australia | 6th | 100m | 11.51 (wind: +0.6 m/s) |
| 1996 | World Junior Championships | Sydney, Australia | 11th (qf) | 200m | 24.20 (wind: -3.1 m/s) |
| 1997 | CARIFTA Games (U-20) | Bridgetown, Barbados | 1st | 100 m | 11.54   (0.0 m/s) |
| 1997 | World Championships | Athens, Greece | 6th (h) | 100 m | 11.87   (−1.5 m/s) |
| 2000 | NACAC U-25 Championships | Monterrey, Mexico | 3rd | 100m | 11.83 (wind: -1.6 m/s) |
| 2000 | NACAC U-25 Championships | Monterrey, Mexico | 2nd | 200m | 23.72 (wind: -3.1 m/s) |
| 2000 | Olympic Games | Sydney, Australia | 4th (h) | 100 m | 11.38   (−0.4 m/s) |
| 2000 | Olympic Games | Sydney, Australia | 4th (h) | 200 m | 22.78   (0.2 m/s) |
| 2001 | World Championships | Edmonton, Canada | 3rd | 200 m | 22.88   (−0.3 m/s) |
| 2002 | Commonwealth Games | Manchester, Anh | 5th | 200 m |  |
| 2003 | World Indoor Championships | Birmingham, United Kingdom | 5th | 200 m |  |
| 2003 | World Championships | Paris, France | 7th (sf) | 200 m | 23.07   (−0.2 m/s) |
| 2003 | World Athletics Final | Monte Carlo, Monaco | 7th | 200 m |  |
| 2003 | Pan American Games | Santo Domingo, Dominican Republic | 2nd | 200 m |  |
| 2004 | Olympic Games | Athens, Greece | 5th (sf) | 200 m | 22.76   (1.1 m/s) |
| 2004 | World Athletics Final | Monte Carlo, Monaco | 6th | 200 m |  |
| 2005 | World Championships | Helsinki, Finland | 8th | 200 m | 23.00   (0.2 m/s) |
| 2007 | World Championships | Osaka, Japan | 8th | 200 m | 23.08   (1.7 m/s) |
| 2008 | Olympic Games | Beijing, Trung Quốc | 8th | 200 m | 22.68   (0.6 m/s) |
| 2009 | World Championships | Berlin, Germany | 4th (sf) | 200 m | 22.80   (0.3 m/s) |
| 2010 | Commonwealth Games | New Delhi, India | 1st | 200 m |  |