The 2009 African Junior Athletics Championships were held in Bambous, Mauritius, which multiple gold medallist, a South African middle-distance runner and 2016 Olympic gold medallist, broke championships records?
2009 African Junior Athletics Championships:  Multiple gold medallists Caster Semenya and Amaka Ogoegbunam broke championships records, but also created controversy at the 2009 World Championships in Athletics later that year. Caster Semenya: Mokgadi Caster Semenya Bronze OIB (born 7 January 1991) is a South African middle-distance runner and 2016 Olympic gold medallist.
Caster Semenya