Paralympic classification: Opening of base to collect and utilize information in Tokyo. In the 22 Paralympic sports, athletes are divided into classes according to the type and severity of their disability so that they can compete fairly.
Each time the rules regarding classification change, it has a major impact on athletes who have been training for the Paralympics. The classification of athletes who are at risk of developing or recovering from a disability has a validity period of two to four years, and must be reclassified periodically.