South Africa has competitors in action across just two codes on Friday (19 August). Here is a list of competitors, Rio times (SA time in brackets).
8am (1pm): Men’s 50km walk, Marc Mundell
12.30 (5.30pm) Women’s 20km walk: Anel Oosthuizen
8.41 (1.41)and 9.03 (2.03pm), Women’s competition, round three of four: Ashley Simon and Paulo Reto