At age 16, he was mistaken for a poacher and shot in the back leading to a spinal cord injury that left him with complete T10/T11 paraplegia.

[3] He got motivated to pursue para-athletics and wheelchair racing after watching 2012 London Paralympics.

[4] He won a silver medal in the T54 marathon of 2018 Gold Coast Commonwealth Games held in Australia representing England.

[4] He competed in 2020 Summer Paralympics in Tokyo, Japan representing Great Britain in T54 marathon.

[5][6] In 2022 Smith won a gold medal for England at the 2022 Commonwealth Games in the marathon (T54) event.