| Rank | Event | Year | Location | Result |
| World Championships | ||||
| 2 | 4 x 400m Relay | 2009 | Berlin, GER | 3:21.15 |
| 4 | 400m Hurdles | 2011 | Daegu, KOR | 54.01 |
| 4 | 400m Hurdles | 2009 | Berlin, GER | 53.56 |
| Diamond League | ||||
| 1 | 400m Hurdles | 2012 | Rome, ITA | 54.39 |
| 1 | 400m Hurdles | 2011 | Zurich, SUI | 53.36 |
| 1 | 400m Hurdles | 2011 | London, GBR | 52.79 |
| 1 | 400m Hurdles | 2011 | Stockholm, SWE | 53.74 |
| 1 | 400m Hurdles | 2011 | Shanghai, CHN | 54.20 |
| 1 | 400m Hurdles | 2010 | Zurich, SUI | 53.33 |
| 1 | 400m Hurdles | 2010 | London, GBR | 53.78 |
| 1 | 400m Hurdles | 2010 | Monaco, MON | 53.63 |
| 1 | 400m Hurdles | 2010 | Gateshead, GBR | 54.10 |
| 2 | 400m Hurdles | 2012 | New York, NY, USA | 54.91 |
| 2 | 400m Hurdles | 2012 | Doha, QAT | 54.99 |
| 2 | 400m Hurdles | 2011 | Paris Saint-Denis, FRA | 53.45 |
| 2 | 400m Hurdles | 2011 | Eugene, OR, USA | 53.45 |
| 2 | 400m Hurdles | 2010 | Eugene, OR, USA | 53.78 |
| 2 | 400m Hurdles | 2010 | Rome, ITA | 53.48 |
| 3 | 400m | 2012 | Shanghai, CHN | 51.81 |
| 6 | 400m Hurdles | 2010 | Shanghai, CHN | 55.59 |
| Golden League | ||||
| 6 | 400m Hurdles | 2009 | Rome, ITA | 55.40 |
| World Challenge | ||||
| 1 | 400m Hurdles | 2011 | Rieti, ITA | 53.60 |
| 1 | 400m Hurdles | 2010 | Zagreb, CRO | 54.23 |
| 1 | 400m Hurdles | 2010 | Rabat, MAR | 54.89 |
| 2 | 400m | 2010 | Berlin, GER | 50.64 |
| 3 | 400m | 2011 | Kingston, JAM | 51.30 |
| 5 | 400m | 2010 | Ostrava, CZE | 51.64 |
| 6 | 400m | 2012 | Kingston, JAM | 52.94 |
| 8 | 400m Hurdles | 2010 | Rieti, ITA | 1:22.45 |
| Grand Prix | ||||
| 1 | 400m Hurdles | 2009 | Zagreb, CRO | 54.69 |
Occupation
Athlete, Student
Education
Child Care - University of Technology, Kingston, JAM
Club name
MVP [Maximising Velocily and Power] Track Club, Kingston, JAM
Coach
Stephen Francis (caribbeantracklife.com, 31 Dec 2011)
Other sports
Her mother Merfelin Spencer is a former 400m runner and her father Joshua Spencer is a former middle-distance runner. (leichtathletik.de, 07 Sept 2007)
Injuries
Suffered from a hip injury in 2008. She only trained sporadically and as a result, she missed out on the 2008 Olympic Games. (daegu2011.iaaf.org, 10 Aug 2011)
Additional information
Start of sporting career
She did not take up proper training until the age of 14. (daegu2011.iaaf.org, 10 Aug 2011)
