Luxolo Adams continued to build on his superb form this season, snatching a place in the men's 200m final on the fifth day of competition at the World Athletics Championships in Eugene, Oregon on Wednesday morning (SA time).
Adams finished fourth in his half-lap semifinal in 20.09 seconds, qualifying seventh fastest for the medal contest to be held on Friday morning.
Fellow South African sprinter Sinesipho Dambile also produced his best performance of the day, with the 20 year-old athlete gaining valuable experience by finishing fifth in his 200m semifinal in 20.47, though he did not reach the final.
Zeney van der Walt did well to progress beyond the opening round of the women's 400m hurdles event.
Van der Walt, a former world junior champion, took second place in her heat in 55.05 to secure a spot in Thursday's semi-final.
Taylon Bieldt finished sixth in her 400m hurdles heat in 56.67, missing out on a place in the penultimate round.
Schedule of SA athletes, day six (SA times):
1.25am - 5 000m heats, women (Caster Semenya)
1.50am - javelin throw qualifiers, women (Jo-Ane van Dyk)
2.44am - 800m heats, men (Tshepo Tshite)
3.15am - 400m hurdles semi-finals, women (Zeney van der Walt)
4.15am - 400m semi-finals, men (Zakhiti Nene, Wayde van Niekerk).