Reigning 400m Olympic champion and world record holder Wayde van Niekerk has qualified for next month's Tokyo Olympics, while Caster Semenya has failed once again.
Van Niekerk clocked 44.56 seconds on Saturday at the Continental Tour Silver event in Madrid - finishing 0.34 seconds inside the qualifying time.
The South African finished second as Colombia's Anthony Jose Zambrano won in 44.51 to also ensure a Olympic spot.
Up till this race, Van Niekerk hadn't yet made the qualifying mark for the Tokyo Games in either the 200m (20.24s) or 400m.
Meanwhile, Semenya failed again on Saturday evening at the Sparkassen Gala in Germany to qualify for the 5 000 metres.
This is after World Athletics enacted regulations prohibiting women with differences of sexual development (DSD) from competing in events ranging from 400m to the mile - unless they took hormone suppressors.
Last month, Semenya failed in