| Place Of Birth || Grenada |
| Residence || College Station, Texas, USA |
| Marital Status || Single |
| Occupation || Professional Athlete |
| Coach || Patrick Henny |
| Influential Person || Patrick Henny and two mothers. |
| Idol || God |
| Recent Results || 5th in the semi-final of the 400m - 46.59 (IAAF World Championships, Helsinki, Finland, 10-Aug-2005) |
| Commonwealth |
| Manchester 2002|
5th in the 400m (45.47)
| Olympic |
| Athens 2004|
4th in the 400m (44.66)
| Injuries || None |
| Other || World Ranking:|
11th in the 400m (as at 31-Oct-2005, IAAF)
200m - 20.83 (Grenada, 21-Jun-2003)
400m - 44.47 (Osaka, Japan, 08-May-2004)
200m - 21.20 (Baton Rouge, Louisiana, USA, 23-Apr-2005)
400m - 44.60 (Monterrey, 11-Jun-2005)
Alleyne was the first Grenadian to make the Olympic finals in any sport, placing fourth in the final of the 400m at the Athens Olympics. He was also the first Grenadian to win a Global medal at a World Championships.
Alleyne has been named Grenada's Sports Man of the Year on four occasions.
He was once ranked number one in the world in the 400m.
He is a graduate of Louisiana State University where he earned a First Degree in General Studies.