Kalahari Acacia-Baikiaea woodlands Kalahari Acacia-Baikiaea woodlands Kalahari Acacia-Baikiaea woodlands is an ecoregion located in Botswana, northern Namibia, South Africa and Zimbabwe. These woodlands cover the center of southern Africa, from northern Namibia diagonally through to southeast Botswana and just into the Tuli Block of South Africa. In Botswana there is another area running north from the Okavango Delta and the Makgadikgadi Pan towards the border of the Chobe National Park and then east to the border with Zimbabwe. All this is semi-arid sandveld with little surface water. Droughts occur approximately every seven years. Rainfall, when it occurs, is mostly in the summer, from
Kalahari Augrabies Extreme Marathon of 40 °C in the summer months and dropping to below 5 °C at night during the winter, presents a daunting challenge to the extreme athlete and determined adventurer alike. Known as the 'Big Daddy' in the South African running circles, the Kalahari Augrabies Extreme Marathon is event organised by Extreme Marathons, and has its place on the International Calendar of similar trail events. Participants run in the footsteps of the ancient Bushmen, through the fertile vineyards of the Orange River Valley (not in 2015), across rocky outcrops and into the desolate Great Kalahari Desert. Although the event is advertised