It is largely used as a national classification in the United States for athletics only, and replaced the standing F8 class.
Sports open to this class include athletics, wheelchair softball and cycling.
[1][2] The level of spinal cord injury for this class is largely confined to the sacral region, or involves people who have incomplete lesions at a slightly higher level.
[1] Field events open to this class have included shot put, discus and javelin.
[6] In junior events in the United States, the F9 class does not participate in the pentathlon, while F3 to F8 do.