Oliver was one of the relay runners in the heats of the 2001 World Championships in Athletics, where he helped Bahamas to the final in which they took the gold medal in a national record of 2:58.19 minutes. He performed a similar role at the 2002 Commonwealth Games and Bahamas won the bronze in his absence in the final. The team were disqualified in the heats of the 2003 IAAF World Indoor Championships, but they topped the podium at the 2003 Central American and Caribbean Championships in Athletics, as Moncur, Oliver, Nathaniel McKinney and Brown took the gold medals. At the major event, he was again relegated to a heat runner and he took the Bahamas to the top of their heat and the nation won bronze in the final of the 2003 World Championships in Athletics. These were the last international performances of his career.