Venter qualified as a member of the South African team for the 4 × 200 metre freestyle relay at the 2008 Summer Olympics in Beijing, by placing third in the same distance from the national championships (1:50.60). Teaming with Sebastien Rousseau, Darian Townsend, and Jean Basson, Venter swam the third leg with a split of 1:49.56, but the South Africans rounded out the final field to last place in 7:13.02. Previously, they set an African standard of 7:10.91 from the preliminary heats.