Personal bests
Best marks from the meets included here. Cross Country bests are grouped by course and distance.
2015 Outdoor Track
1 results| Date | Meet | Event | Pl | Mark | Gr |
| Jun 13 | New York Diamond LeagueJun 13 · 400 Meters · Place 2 · Great Britain & N.I. | 400 Meters | 2. | 52.62a | - |
2014 Outdoor Track
1 results| Date | Meet | Event | Pl | Mark | Gr |
| Jun 14 | New York Diamond LeagueJun 14 · 400 Meters · Place 6 · Great Britain & N.I. | 400 Meters | 6. | 52.11a | - |
2013 Outdoor Track
1 results| Date | Meet | Event | Pl | Mark | Gr |
| May 25 | New York Diamond LeagueMay 25 · 400 Meters · Place 2 · Great Britain & N.I. | 400 Meters | 2. | 52.01a | - |
2012 Outdoor Track
1 results| Date | Meet | Event | Pl | Mark | Gr |
| Jun 9 | New York Diamond LeagueJun 9 · 400 Meters · Place 7 · Great Britain & N.I. | 400 Meters | 7. | 51.54a PB | - |
2011 Outdoor Track
1 results| Date | Meet | Event | Pl | Mark | Gr |
| Jun 11 | New York Diamond LeagueJun 11 · 400 Meters · Place 4 · Great Britain & N.I. | 400 Meters | 4. | 52.42a | - |