Understanding classification in parasports

August 23, 2024

Classification in Parasports is a process that ensures fair competition by grouping athletes with similar impairments together.

It allows athletes with disability to compete equally with each other, similar to how athletes can be grouped by age or gender.

Athletes must be evaluated and assigned a Sport Class and Sport Class Status to compete. 

Typically, a letter and a number designate the classification, e.g. S for swimming and 11 for a vision impairment—combined, you would classify the athlete as S11. 

How are athletes evaluated?

National sporting organisations (NSOs) work with the Paralympic body of their country to implement the International Paralympic Committee’s Athlete Classification Code. 

For example, in Australia, Paralympics Australia works with NSOs across the country to accurately assess and classify athletes.

The evaluation asks three questions:

  1. Does the athlete have an Eligible Impairment for this sport?
  2. Does the athlete’s Eligible Impairment meet the Minimum Impairment Criteria of the sport? 
  3. Which Sport Class should the athlete be allocated based on the requirements of the sport? 

Types/impairment classification

Generally, classification is divided into three broad categories: physical disability, vision impairment, and intellectual disability.

However, under the International Paralympic Committee, there are ten eligible impairment types:

1. Impaired Muscle Power 

For athletes who have a reduced ability to voluntarily contract their muscles to move or generate force.

Examples: muscular dystrophy, paraplegia

2. Impaired Passive Range of Movement 

For athletes who have restricted or lack passive movement in their joints.

Examples: chronic joint immobilisation, trauma affecting a joint

3. Limb Deficiency

For athletes who have total or partial absence of bones or joints.

Examples: amputation, congenital limb deficiency 

4. Leg Length Difference

For athletes who have a difference in the length of their legs.

5. Short Stature

For athletes who have a reduced length in the bones of their upper/lower limbs or trunk.

Examples: growth hormone dysfunction, osteogenesis imperfecta

6. Hypertonia

For athletes who have an increase in muscle tension and a reduced ability of a muscle to stretch. This is usually due to damage to the central nervous system.

Examples: cerebral palsy, traumatic brain injury, stroke

7. Ataxia 

For athletes who have uncoordinated movements caused by damage to the central nervous system.

Examples: cerebral palsy, traumatic brain injury, stroke, multiple sclerosis

8. Athetosis

For athletes who have continual slow, involuntary movements.

Examples: cerebral palsy, traumatic brain injury, stroke

9. Vision Impairment 

For athletes who have reduced or no vision.

Examples: retinitis pigmentosa, diabetic retinopathy

10. Intellectual Impairment

For athletes who have a restriction in intellectual functioning and adaptive behaviour.

The impairment must be present before the age of 18.

For more information on classification, visit:

Aalia Hussein
Instructional Designer and Writer
Imaginative and inventive, Aalia is etrainu’s resident writer. She has a passion for weaving words together and storytelling. She’s in charge of etrainu’s content, creating engaging and immersive experiences across learning and marketing.
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