A South African mountaineer reached the top of Mount Everest on Thursday, becoming the first black African woman to conquer the world's highest mountain, her expedition organizer and her government said.

Saray N'kusi Khumalo, a 47-year-old e-commerce executive, scaled the 8,850-meter (29,035-foot) mountain after three failed attempts that were foiled by bad weather and a deadly earthquake in 2015.

"With her birth in Zambia, Rwandan bloodline and now a South African, this sister of Africa has achieved her goal of becoming the first black woman from Africa to summit Mount Everest," her expedition organizer, Summits with a Purpose, said on Facebook.