Complex sentence: In 2008-09 the Impalas claimed 3rd overall in the National Championships for Division 2; as a result of this success, the club moved up to Division 1.
Split into simpler sentences: In 2008-09 the Impalas saw great success claiming 3rd overall in the National Championships for Division 2. As a result of the success from the 2008-09 season the club has moved up to Division 1.