South African long distance athlete Caster Semenya on her way to winning the 5,000 meters at the South African national championships in Pretoria, South Africa, Thursday, April 15, 2021. Semenya said she's likely to focus on long-distance events for the rest of her career. (AP Photo/Christiaan Kotze)

South African long distance athlete Caster Semenya on her way to winning the 5,000 meters at the South African national championships in Pretoria, South Africa, Thursday, April 15, 2021. Semenya said she's likely to focus on long-distance events for the rest of her career. (AP Photo/Christiaan Kotze)

South African long distance athlete Caster Semenya on her way to winning the 5,000 meters at the South African national championships in Pretoria, South Africa, Thursday, April 15, 2021. Semenya said she's likely to focus on long-distance events for the rest of her career. (AP Photo/Christiaan Kotze)