• 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.

  • United States' Kerron Clement wins the men's 400-meter hurdles final during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Thursday, Aug. 18, 2016. (AP Photo/David J. Phillip)

    Clement wins gold in Olympic 400 hurdles for trophy case

    RIO DE JANEIRO (AP) — Kerron Clement cleared a space in his trophy case and wrote a little note on what would occupy that spot next: “Gold Medal, 2016.”

  • Usain Bolt from Jamaica celebrates winning the gold medal in the men's 200-meter final ahead during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Thursday, Aug. 18, 2016. (AP Photo/Martin Meissner)

    Clement picks up where US left off _ with more gold

    RIO DE JANEIRO (AP) — Ashton Eaton retained his title as the best all-around athlete in the world by tying the decathlon Olympic record in Rio de Janeiro — but within minutes, track and field’s ultimate superstar took back the center stage again.