The sport of paratriathlon will make its Paralympic Games debut in 2016 in Rio de Janeiro, Brazil.  Paratriathlon features the disciplines of swimming, cycling and running.  At the Paralympic Games, athletes will compete in a sprint distance race, which includes a 750m swim, 20km bike and 5km run.
 
Paratriathlon is open to male and female athletes in all disability categories and includes six different classification groups.  Paratriathlon classifications are as follows:
 
TRI 1
Handcycle: Paraplegic, Quadriplegic, Polio, Double Leg Amputee. Must use hand cycle on bike course and racing wheel chair on run.

TRI 2
Severe leg impairment:  Above knee amputees. Athlete must ride bicycle and run with above knee prosthesis (or similar prosthesis) or run using crutches.

TRI 3
Les Autre:  Includes athletes with Multiple Sclerosis, Muscular Dystrophy, Cerebral Palsy, double leg amputee runners or paralysis in multiple limbs. These athletes will ride a bicycle and run. They may use braces or prosthesis if required.

TRI 4
Arm impairment: Including paralysis, above elbow amputees and below elbow amputees, or impairment in both upper limbs. Athletes may use prosthesis, brace or sling on the bike and/or run.

TRI 5
Slight leg impairment: Including below knee amputees. Athlete rides bicycle and runs with prosthesis.

TRI 6
Visual Impairment: legally Blind (20/200 vision with best corrective vision). A handler of the same sex is mandatory throughout the race. Athlete is tethered during the swim. Athlete uses a tandem bicycle and may be tethered during the run.

For more information, visit USA Triathlon's official paratriathlon site.