Non-Stadia
Those athletic events that are held outside of the stadium usually on road and/or cross country courses. They are usually the longer distance events.
Stadia
Those athletic events that are generally held within the Stadium usually running events on an oval track, and jumping and throwing events held on various specialized fields.
Masters
Women and Men of age 35 and up.
SAMA
South African Masters Athletics, the South Africa Association of Masters Athletes. The organization designated by the WMA (World Masters Athletics) to conduct the South African Sport of Masters (Veterans) Athletics (Stadia and Non-Stadia).