Oscar Leonard Carl Pistorius is a South African former professional sprinter and convicted murderer. He was first convicted of culpable homicide of his then-girlfriend, which was subsequently upgraded to murder upon appeal. Both of his feet were amputated when he was 11 months old as a result of a congenital defect; he was born missing the outside of both feet and both fibulas. Pistorius ran in both nondisabled sprint events and in sprint events for below-knee amputees. He was the 10th athlete to compete at both the Paralympic Games and Olympic Games.
Brian Frasure is a Paralympian athlete from the United States competing mainly in category T44 sprint events.
Jonathan Peacock MBE is an English sprint runner. An amputee, Peacock won gold at the 2012 Summer Paralympics and 2016 Summer Paralympics, representing Great Britain in the T44 men's 100 metres event. He won a bronze medal at the 2020 Summer Paralympics.
Alan Fonteles Cardoso Oliveira is a Paralympian athlete from Brazil competing mainly in category T44 sprint events. Oliveira is a double-below-the-knee amputee, classifying him in the Paralympic T43 class; athletes in this class run in T44 event.
Marlon Shirley is a paralympic athlete gold medalist from the United States competing mainly in category T44 events. He has been called the "fastest amputee in the world". He is known for being the first lower extremity amputee to break the 11 second barrier in the 100 meters. He has held world records in the 100M, the Long Jump, High Jump and the 200M.
T42 is a disability sport classification for disability athletics, applying to athletes with single above the knee amputations or a disability that is comparable. This class includes ISOD classified A2 and A9 competitors.
T43 is a disability sport classification for disability athletics, applying to athletes with "Double below knee amputation or similar disability." It includes ISOD classified athletes from the A4 and A9 classes.
T44 is a disability sport classification for disability athletics, applying to "Single below knee amputation or an athlete who can walk with moderately reduced function in one or both legs." It includes ISOD A4 and A9 classes.
T45 is disability sport classification in disability athletics for people with double above or below the elbow amputations, or a similar disability. The class includes people who are ISOD classes A5 and A7. The nature of the disability of people in this class can make them prone to overuse injuries. The classification process to be included in this class has four parts: a medical exam, observation during training, observation during competition and then being classified into this class.
Arnu Fourie is a South African Paralympian athlete who runs in the T44 class. His is a single-below-the-knee amputee.
The Flex-Foot Cheetah is a prosthetic human foot replacement developed by biomedical engineer Van Phillips, who had lost a leg below the knee at age 21; the deficiencies of existing prostheses led him to invent this new prosthesis.
Richard Browne is an American sprint runner. In 2007 an accident sent him through a plate glass window, which resulted in an arterial bleed causing permanent damage to his right leg. In 2010, after 14 surgical operations, his leg was amputated. "I was 16 years old in the prime of my life. I go through a window one day and from that point on my life is changed forever".
Blake Leeper is a United States Paralympic athlete who specialised in sprint events typically in the T43, T44 and T62 classifications. He is a multiple medalist in both the Paralympics and World Championships. He is also a former world record holder in the 400m and three-time American record holder.
The mechanics of the running blades used by South African former Paralympic runner Oscar Pistorius depend on special carbon-fiber-reinforced polymer prosthetics. Pistorius has double below-the-knee amputations and competed in both non-disabled and T44 amputee athletics events. Pistorius's eligibility to run in international non-disabled events is sanctioned by the International Association of Athletics Federations (IAAF).
David Prince is an American sprint runner who runs in the T44 class. He was raised by missionary parents and traveled frequently, living for a while in Oaxaca, Mexico. He lost his right leg below the knee in a motorcycle accident in 2002.
David Behre is a German Paralympic sprint runner in the T43 class. He is a double leg amputee who lost both feet in September 2007 when his bicycle was hit by a train. While recovering in the hospital, he saw a documentary on runner Oscar Pistorius and decided to become a sprint runner.
T47 is a disability sport classification for disability athletics primarily for competitors with a below elbow or wrist amputation or impairment. T47 is a classification for track events, but unlike the other T40 to T46 classifications, it has no equivalent F47 classification for field events. The amputee sports equivalent class is ISOD the A8 class. People in this class can have injuries due to overuse of their remaining upper limb.
A3 is an amputee sport classification used by the International Sports Organization for the Disabled (ISOD) for people with acquired or congenital amputations. A3 classified sportspeople have both legs amputated below knee. Their amputations impact their sport performance, including having balance issues, increased energy costs, higher rates of oxygen consumption, and issues with their gait. Sports people in this class are eligible to participate in include athletics, swimming, sitting volleyball, archery, weightlifting, badminton, lawn bowls, sitzball and wheelchair basketball.
A4 is an amputee sport classification used by the International Sports Organization for the Disabled (ISOD).for people with acquired or congenital amputations. People in this class have one leg amputated below the knee. Their amputations impact their sport performance, including having balance issues, increased energy costs, higher rates of oxygen consumption, and issues with their gait. Sports people in this class are eligible to participate in include athletics, swimming, sitting volleyball, archery, weightlifting, wheelchair basketball, amputee basketball, amputee football, lawn bowls, and sitzball.
Liam Bevan Malone is a former New Zealand para-athlete, primarily competing in sprint events. He represented New Zealand at the 2016 Summer Paralympics in Rio de Janeiro, where he won gold medals in the men's 200 metres T44 and 400 metres T44, and the silver medal in the men's 100 metres T44.
United States 
