2011 African Cross Country Championships 2011 African Cross Country Championships The 1st African Cross Country Championships was an international cross country running competition for African athletes which was held on 6 March 2011 in Cape Town, South Africa. Organised by the Confederation of African Athletics, it marked the start of a new continental competition for Africa following the decision by the IAAF to alter the scheduling of the World Cross Country Championships from every year to a biennial format. The event consisted of four race categories, featuring senior and junior races for men and women. The Kenyan athletes took a complete sweep of the competition,
Equator is commonly modeled as a sphere flattened 0.336% along its axis. This makes the Equator 0.16% longer than a meridian (a great circle passing through the two poles). The IUGG standard meridian is, to the nearest millimetre, , one arc-minute of which is , explaining the SI standardization of the nautical mile as , more than less than the geographical mile. The sea-level surface of the Earth (the geoid) is irregular, so the actual length of the Equator is not so easy to determine. "Aviation Week and Space Technology" on 9 October 1961 reported that measurements using the Transit IV-A