FILE - In this June 30, 2019 file photo, South Africa's Caster Semenya smiles after winning the women's 800-meter race during the Prefontaine Classic, an IAAF Diamond League athletics meeting, in Stanford, Calif. Olympic champion Caster Semenya has run her first public race in eight months and says she will be back in top-level track despite currently being banned from competing in her favorite event. (AP Photo/Jeff Chiu, File)

FILE - In this Sunday, June 30, 2019 file photo, South Africa's Caster Semenya competes in the women's 800-meter race during the Prefontaine Classic, an IAAF Diamond League athletics meeting, in Stanford, Calif. USA. Two-time Olympic champion Caster Semenya finally lost her long legal battle at Switzerland’s supreme court Tuesday Sept. 8, 2020, against track and field’s rules that limit female runners’ naturally high testosterone levels. (AP Photo/Jeff Chiu, file)

FILE - In this Sunday, June 30, 2019 file photo, South Africa's Caster Semenya smiles after winning the women's 800-meter race during the Prefontaine Classic, an IAAF Diamond League athletics meeting, in Stanford, Calif. USA. Two-time Olympic champion Caster Semenya finally lost her long legal battle at Switzerland’s supreme court Tuesday Sept. 8, 2020, against track and field’s rules that limit female runners’ naturally high testosterone levels. (AP Photo/Jeff Chiu, File)

FILE - In this Sunday, June 30, 2019 file photo, South Africa's Caster Semenya smiles after winning the women's 800-meter race during the Prefontaine Classic, an IAAF Diamond League athletics meeting, in Stanford, Calif. USA. Caster Semenya's lawyer said Tuesday Nov. 17, 2020, they will take her case against the world track and field federation to the European Court of Human Rights in what's likely to be a last-ditch legal challenge against regulations that require the South African and some other female athletes to artificially lower their natural testosterone levels to compete. (AP Photo/Jeff Chiu, File)

FILE - South Africa's Caster Semenya smiles after winning the women's 800-meter race during the Prefontaine Classic, an IAAF Diamond League athletics meeting, in Stanford, Calif. USA, Sunday, June 30, 2019. Semenya was listed on Friday, July 8, 2022 to compete at next week's world championships in Oregon, potentially setting up a surprise return to the big stage for the two-time Olympic champion and one of the most contentious athletes. (AP Photo/Jeff Chiu, File)