• South Africa's Caster Semenya waves wearing her gold medal for the women's 800-meter final during an athletics podium ceremony at the Summer Olympics inside Olympic stadium in Rio de Janeiro, Brazil, Saturday, Aug. 20, 2016. (AP Photo/Jae C. Hong)

    Chased by controversy: A timeline of Caster Semenya’s career

    RIO DE JANEIRO (AP) — Caster Semenya is the Olympic champion nearly seven years to the day after she arrived in track and field and sparked a controversy so complex and so sensitive, the sport is still struggling to deal with it.

  • South Africa's Caster Semenya celebrates winning the gold medal in the women's 800-meter final as fourth placed Canada's Melissa Bishop covers her face during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Saturday, Aug. 20, 2016. (AP Photo/Martin Meissner)

    As predicted, Caster Semenya wins 800 Olympic title

    RIO DE JANEIRO (AP) — It was predicted. That didn’t make it any less impressive, or any less contentious.

  • Kenya's Vivian Jepkemoi Cheruiyot greets and Jamaica's Usain Bolt, with Asafa Powell, Yohan Blake, Nickel Ashmeade during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Friday, Aug. 19, 2016. (AP Photo/Matt Dunham)

    After Bolt pep-talk, Cheruiyot finally gets her gold

    RIO DE JANEIRO (AP) — With one last chance for a gold medal in what’s probably her last Olympics, Vivian Cheruiyot turned to — who else — Usain Bolt for a pre-race pep talk.

  • South Africa's Caster Semenya, right, and Romania's Claudia Bobocea compete in a women's 800-meter heat during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Wednesday, Aug. 17, 2016. (AP Photo/Martin Meissner)

    Caster Semenya enters Olympics, questions go unanswered

    RIO DE JANEIRO (AP) — The Olympic Games is running into a storm of controversy involving Caster Semenya, the favorite in the women’s 800 meters. The South African, the unwilling face of track’s ethical and medical dilemma over women with high levels of testosterone, sharply divides opinion — even among fellow competitors.

  • New Zealand's Nikki Hamblin greets United States' Abbey D'Agostino, left, as she is helped from the track after competing in a women's 5000-meter heat during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Tuesday, Aug. 16, 2016. (AP Photo/Martin Meissner)

    Runners help each other after fall, lifting Olympic spirit

    RIO DE JANEIRO (AP) — New Zealand runner Nikki Hamblin was lying on the track, dazed after a heavy fall and with her hopes of an Olympic medal seemingly over. Suddenly, there was a hand on her shoulder and a voice in her ear: “Get up. We have to finish this.”