South African runner Caster Semenya

South Africa's middle distance runner Caster Semenya hoisted her country's colors at the London Games' opening ceremony. 

LONDON, ENGLAND - JULY 27: Caster Semenya of the South Africa Olympic athletics team carries her country's flag during the Opening Ceremony of the London 2012 Olympic Games at the Olympic Stadium on July 27, 2012 in London, England. (Photo by Paul Gilham/Getty Images)
2012 Olympic Games - Opening Ceremony
LONDON, ENGLAND - JULY 27: Caster Semenya of the South Africa Olympic athletics team carries her country's flag during the Opening Ceremony of the London 2012 Olympic Games at the Olympic Stadium on July 27, 2012 in London, England. (Photo by Paul Gilham/Getty Images)
LONDON, ENGLAND - AUGUST 08: (L-R) Halima Hachlaf of Morocco (L) and Caster Semenya of South Africa compete in the Women's 800m Round 1 Heats on Day 12 of the London 2012 Olympic Games at Olympic Stadium on August 8, 2012 in London, England. (Photo by Stu Forster/Getty Images)
Olympics Day 12 - Athletics
LONDON, ENGLAND - AUGUST 08: (L-R) Halima Hachlaf of Morocco (L) and Caster Semenya of South Africa compete in the Women's 800m Round 1 Heats on Day 12 of the London 2012 Olympic Games at Olympic Stadium on August 8, 2012 in London, England. (Photo by Stu Forster/Getty Images)
Caster Semenya, right, wins the wome's 800 meters at the Prefontaine Classic track and field meet in Eugene, Ore., Saturday, May 26, 2018. (Chris Pietsch/The Register-Guard via AP)
Semenya wins Prefontaine 800 in world's best time this year
Caster Semenya, right, wins the wome's 800 meters at the Prefontaine Classic track and field meet in Eugene, Ore., Saturday, May 26, 2018. (Chris Pietsch/The Register-Guard via AP)
South Africa's Caster Semenya runs to win the woman's 1500 meter during the Qatar Diamond League in Doha, Qatar, Friday, May 4, 2018. (AP Photo/Kamran Jebreili)
Semenya wins 1500 in Diamond League opener in Doha
South Africa's Caster Semenya runs to win the woman's 1500 meter during the Qatar Diamond League in Doha, Qatar, Friday, May 4, 2018. (AP Photo/Kamran Jebreili)
South Africa's Caster Semenya celebrates after she won the woman's 1500 meter during the Qatar Diamond League in Doha, Qatar, Friday, May 4, 2018. (AP Photo/Kamran Jebreili)
Semenya wins 1500 in Diamond League opener in Doha
South Africa's Caster Semenya celebrates after she won the woman's 1500 meter during the Qatar Diamond League in Doha, Qatar, Friday, May 4, 2018. (AP Photo/Kamran Jebreili)
Athletics - Diamond League - Doha - Qatar Sports Club, Doha, Qatar - May 4, 2018 South Africa's Caster Semenya celebrates after winning the women's 1500m REUTERS/Ibraheem Al Omari
Athletics - Diamond League - Doha
Athletics - Diamond League - Doha - Qatar Sports Club, Doha, Qatar - May 4, 2018 South Africa's Caster Semenya celebrates after winning the women's 1500m REUTERS/Ibraheem Al Omari
Athletics - Diamond League - Doha - Qatar Sports Club, Doha, Qatar - May 4, 2018 South Africa's Caster Semenya celebrates after winning the women's 1500m REUTERS/Ibraheem Al Omari
Athletics - Diamond League - Doha
Athletics - Diamond League - Doha - Qatar Sports Club, Doha, Qatar - May 4, 2018 South Africa's Caster Semenya celebrates after winning the women's 1500m REUTERS/Ibraheem Al Omari
Athletics - Diamond League - Doha - Qatar Sports Club, Doha, Qatar - May 4, 2018 South Africa's Caster Semenya wins the women's 1500m REUTERS/Ibraheem Al Omari
Athletics - Diamond League - Doha
Athletics - Diamond League - Doha - Qatar Sports Club, Doha, Qatar - May 4, 2018 South Africa's Caster Semenya wins the women's 1500m REUTERS/Ibraheem Al Omari
Caster Semenya was keen to look beyond the recent controversy over new athletics rules on testosterone (AFP Photo/KARIM JAAFAR)
Caster Semenya was keen to look beyond the recent controversy over new athletics rules on testosterone
Caster Semenya was keen to look beyond the recent controversy over new athletics rules on testosterone (AFP Photo/KARIM JAAFAR)
Caster Semenya powered to victory in the 1500m in Doha on Friday (AFP Photo/KARIM JAAFAR)
Caster Semenya powered to victory in the 1500m in Doha on Friday
Caster Semenya powered to victory in the 1500m in Doha on Friday (AFP Photo/KARIM JAAFAR)
South Africa's sports minister has called the new testosterone rules "sexist, racial and homophobic" and said they are aimed at Caster Semenya (AFP Photo/SAEED KHAN)
South Africa's sports minister has called the new testosterone rules "sexist, racial and homophobic" and said they are aimed at Caster Semenya
South Africa's sports minister has called the new testosterone rules "sexist, racial and homophobic" and said they are aimed at Caster Semenya (AFP Photo/SAEED KHAN)
Caster Semenya celebrates winning gold in the women's 800m at last month's Commonwealth Games (AFP Photo/SAEED KHAN)
Caster Semenya celebrates winning gold in the women's 800m at last month's Commonwealth Games
Caster Semenya celebrates winning gold in the women's 800m at last month's Commonwealth Games (AFP Photo/SAEED KHAN)
FILE - In this Thursday, Aug. 9, 2012 file photo, South Africa's Caster Semenya leads in the women's 800-meter semifinal during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London. From Nov. 1, 2018 the IAAF will limit entry for all international events from 400 meters through the mile to women with testosterone levels below a specified level. (AP Photo/Daniel Ochoa De Olza, File)
Caster Semenya's backers prepare for battle at CAS
FILE - In this Thursday, Aug. 9, 2012 file photo, South Africa's Caster Semenya leads in the women's 800-meter semifinal during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London. From Nov. 1, 2018 the IAAF will limit entry for all international events from 400 meters through the mile to women with testosterone levels below a specified level. (AP Photo/Daniel Ochoa De Olza, File)
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha/File Photo
FILE PHOTO: Gold Coast 2018 Commonwealth Games
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha/File Photo
Caster Semenya has struck a defiant tone over the new rules that could see her forced to take medication to reduce naturally-occurring levels of testosterone (AFP Photo/Adrian DENNIS)
Caster Semenya has struck a defiant tone over the new rules that could see her forced to take medication to reduce naturally-occurring levels of testosterone
Caster Semenya has struck a defiant tone over the new rules that could see her forced to take medication to reduce naturally-occurring levels of testosterone (AFP Photo/Adrian DENNIS)
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha/File Photo
FILE PHOTO: Gold Coast 2018 Commonwealth Games
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha/File Photo
India's Dutee Chand has offered help to South African Olympic champion Caster Semenya over new rules on testosterone announced this week. (AFP Photo/Dibyangshu SARKAR)
India's Dutee Chand has offered help to South African Olympic champion Caster Semenya over new rules on testosterone announced this week
India's Dutee Chand has offered help to South African Olympic champion Caster Semenya over new rules on testosterone announced this week. (AFP Photo/Dibyangshu SARKAR)
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha/File Photo
FILE PHOTO: Gold Coast 2018 Commonwealth Games
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha/File Photo
South Africa's Caster Semenya has long been a controversial figure in athletics because of her powerful physique and high testosterone levels (AFP Photo/SAEED KHAN)
South Africa's Caster Semenya has long been a controversial figure in athletics because of her powerful physique and high testosterone levels
South Africa's Caster Semenya has long been a controversial figure in athletics because of her powerful physique and high testosterone levels (AFP Photo/SAEED KHAN)
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha
Gold Coast 2018 Commonwealth Games
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha
FILE PHOTO : Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha
FILE PHOTO - Gold Coast 2018 Commonwealth Games
FILE PHOTO : Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha
Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa celebrates victory. REUTERS/Athit Perawongmetha
Gold Coast 2018 Commonwealth Games
Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa celebrates victory. REUTERS/Athit Perawongmetha
Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Medal Ceremony - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Gold medalist Caster Semenya of South Africa on the podium. REUTERS/Athit Perawongmetha
Gold Coast 2018 Commonwealth Games
Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Medal Ceremony - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Gold medalist Caster Semenya of South Africa on the podium. REUTERS/Athit Perawongmetha
South Africa's Caster Semenya competes in the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)
Semenya clinches distance double at Commonwealth Games
South Africa's Caster Semenya competes in the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)
South Africa's Caster Semenya waits to compete in the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)
Semenya clinches distance double at Commonwealth Games
South Africa's Caster Semenya waits to compete in the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)
South Africa's Caster Semenya celebrates after winning the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)
Semenya clinches 800-1,500 double at Commonwealth Games
South Africa's Caster Semenya celebrates after winning the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)
South Africa's Caster Semenya celebrates after winning the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)
Semenya clinches 800-1,500 double at Commonwealth Games
South Africa's Caster Semenya celebrates after winning the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha
Gold Coast 2018 Commonwealth Games
FILE PHOTO: Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha
FILE PHOTO : Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha
FILE PHOTO - Gold Coast 2018 Commonwealth Games
FILE PHOTO : Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa. REUTERS/Athit Perawongmetha
Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa celebrates victory. REUTERS/Athit Perawongmetha
Gold Coast 2018 Commonwealth Games
Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Final - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Caster Semenya of South Africa celebrates victory. REUTERS/Athit Perawongmetha
Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Medal Ceremony - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Gold medalist Caster Semenya of South Africa on the podium. REUTERS/Athit Perawongmetha
Gold Coast 2018 Commonwealth Games
Athletics - Gold Coast 2018 Commonwealth Games - Women's 800m - Medal Ceremony - Carrara Stadium - Gold Coast, Australia - April 13, 2018. Gold medalist Caster Semenya of South Africa on the podium. REUTERS/Athit Perawongmetha
South Africa's Caster Semenya competes in the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)
Semenya clinches distance double at Commonwealth Games
South Africa's Caster Semenya competes in the woman's 800m final at Carrara Stadium during the 2018 Commonwealth Games on the Gold Coast, Australia, Friday, April 13, 2018. (AP Photo/Mark Schiefelbein)

What to Read Next