Randy Lewis was the only athlete who represented Grenada in the men's triple jump event of track and field during the 2008 Olympics. Lewis was placed in the second heat of two during the 17 August qualification round. During the round, Lewis completed his event with a final distance of 17.06 meters, ranking fifth in a heat of 18 competitors. Lewis was 0.24 meters short of Chinese triple jumper Li Yanxi, who ranked first in the heat and later ranked tenth in finals. Overall, Lewis ranked 15th out of 37 competitors in the qualification round, and did not proceed to finals.