Semenya wins silver in women's 800 meters

Semenya wins silver in women's 800 meters

LONDON, Britain - South Africa's Caster Semenya competes in the women's 800-meter final at the 2012 London Olympics at the Olympic Stadium in London on Aug. 11, 2012. Semenya finished second, while Russia's Mariya Savinova finished first.

Semenya silver in women's 800m

Semenya silver in women's 800m

LONDON, Britain - South Africa's Caster Semenya holds her national flag during her victory run after the women's 800 meters final at the 2012 London Olympics at Olympic Stadium on Aug. 11, 2012. Semenya finished second with a time of 1 minute, 57.23 seconds to win the silver medal.

Savinova wins gold in women's 800m

Savinova wins gold in women's 800m

LONDON, Britain - South Africa's Caster Semenya (R) celebrates with Russia's Mariya Savinova (L) after the women's 800-meter final at the London 2012 Olympics at the Olympic Stadium in London on Aug. 11, 2012. Savinova finished first with a time of 1 minute, 56.19 seconds, while Semenya finished second.

Semenya cruises into women's 800-meter semifinals

Semenya cruises into women's 800-meter semifinals

LONDON, Britain - Caster Semenya of South Africa (R) competes in a women's 800 meters first-round heat at the Olympic Stadium at the 2012 London Olympics on Aug. 8, 2012. Semenya placed second in her heat with a time of 2 minutes, 00.71 seconds to qualify for the semifinals.

Semenya cruises into women's 800-meter semifinals

Semenya cruises into women's 800-meter semifinals

LONDON, Britain - Caster Semenya of South Africa competes in a women's 800 meters first-round heat at the Olympic Stadium at the 2012 London Olympics on Aug. 8, 2012. Semenya placed second in her heat with a time of 2 minutes, 00.71 seconds to qualify for the semifinals.

Savinova wins 800m at world c'ships

Savinova wins 800m at world c'ships

DAEGU, South Korea - Mariya Savinova (front L) of Russia competes with Caster Semenya (front R) of South Africa in the last straight of the women's 800-meter final at the world athletics championships in Daegu, South Korea, on Sept. 4, 2011. Savinova won the gold medal in 1:55.87, while Semenya finished second in 1:56.35.

Semenya wins silver in 800m at world c'ships

Semenya wins silver in 800m at world c'ships

DAEGU, South Korea - Caster Semenya (front R) of South Africa congratulates Mariya Savinova (front L) of Russia for winning the final of women's 800 meters in 1:55.87 at the world athletics championships in Daegu, South Korea, on Sept. 4, 2011. Semenya, gold medalist at the previous world championships competition in Berlin, finished second in 1:56.35.

Semenya returns to track after review of gender tests

Semenya returns to track after review of gender tests

LAPPEENRANTA, Finland - Caster Semenya of South Africa is surrounded by children after winning the women's 800-meter race in Lappenranta, Finland, on July 15, 2010, her first race after an 11-month absence due to doubts about her gender.

Semenya wins silver in 800m at world c'ships

Semenya wins silver in 800m at world c'ships

DAEGU, South Korea - Caster Semenya (front R) of South Africa congratulates Mariya Savinova (front L) of Russia for winning the final of women's 800 meters in 1:55.87 at the world athletics championships in Daegu, South Korea, on Sept. 4, 2011. Semenya, gold medalist at the previous world championships competition in Berlin, finished second in 1:56.35. (Kyodo)

Savinova wins 800m at world c'ships

Savinova wins 800m at world c'ships

DAEGU, South Korea - Mariya Savinova (front L) of Russia competes with Caster Semenya (front R) of South Africa in the last straight of the women's 800-meter final at the world athletics championships in Daegu, South Korea, on Sept. 4, 2011. Savinova won the gold medal in 1:55.87, while Semenya finished second in 1:56.35. (Kyodo)

Semenya returns to track after review of gender tests

Semenya returns to track after review of gender tests

LAPPEENRANTA, Finland - Caster Semenya of South Africa is surrounded by children after winning the women's 800-meter race in Lappenranta, Finland, on July 15, 2010, her first race after an 11-month absence due to doubts about her gender. (Kyodo)

Athletics: Semenya wins gold in women's 800m at world c'ships

Athletics: Semenya wins gold in women's 800m at world c'ships

Caster Semenya of South Africa acknowledges the crowd after winning gold in the women's 800 meters final at the world athletics championships in London on Aug. 13, 2017. (Kyodo) ==Kyodo

Athletics: Semenya wins gold in women's 800m at world c'ships

Athletics: Semenya wins gold in women's 800m at world c'ships

Caster Semenya of South Africa finishes first in the women's 800 meters final at the world athletics championships in London on Aug. 13, 2017. (Kyodo) ==Kyodo

Olympics: Semenya wins women's 800m gold

Olympics: Semenya wins women's 800m gold

Caster Semenya of South Africa pumps her fists after winning the women's 800-meter final at the Rio de Janeiro Olympics on Aug. 20, 2016. (Kyodo) ==Kyodo

Olympics: Semenya wins women's 800 gold

Olympics: Semenya wins women's 800 gold

Caster Semenya (far R) of South Africa runs en route to winning the women's 800-meter gold medal at the athletics competitions of Rio de Janeiro Olympics on Aug. 20, 2016. (Kyodo) ==Kyodo