Born in Houston, Texas, Lloyd's Olympic career began with his participation in the men's 400 meters dash, in which he competed while a 23-year-old in the 2004 Athens games. During the 17 August qualification round, Lloyd was placed in the third heat. He completed the race in fifth place, finishing with a time of 20.90 seconds. In doing so, Lloyd defeated Uruguay's Heber Viera (20.93 seconds) but fell behind Slovenia's Matic Osovnikar (20.89 seconds). The leaders of Lloyd's heat included Great Britain's Marlon Devonish (20.49 seconds) and Saint Kitts and Nevis' Kim Collins (20.55 seconds). Overall, 62 athletes finished their races in the qualification round of the event. Lloyd placed 32nd. He did not advance to later rounds. Erison Hurtault competed for Dominica in the men's 400 meters dash. In Beijing, Hurtault was the only Dominican participating in the event. Born in Matawan, a New Jersey suburb of New York, and attending Columbia University, Hurtault initially tried out for the United States Olympic team, but failed to qualify, before taking the berth offered to him by his parents' homeland. Hurtault was 23 at the time of his competition in Beijing, and had not previously competed in any Olympic games. During the 17 August qualification round, the Dominican-American athlete was placed in the fourth heat. He finished in fourth place with a time of 46.10 seconds, displacing Uruguay's Andres Bayron Silva (46.32 seconds) but falling behind Jamaica's Ricardo Chambers (45.22 seconds). The leaders of Hurtault's heat included Great Britain's Martyn Rooney (45.00 seconds) and Australia's Sean Wroe (45.17 seconds). Overall, he ranked 34th out of the 55 athletes who completed the qualification round of the event. Hurtault did not advance to later rounds.