Holding was born with spina bifida, a birth defect that affects the spinal cord, and has been in a wheelchair since childhood.
An accountant by training, he competes as an amateur athlete in wheelchair races of all distances.
[1] He competed in four Summer Paralympic Games, from 1992 to 2004, in events ranging from the 100 meters to the marathon.
[2] At the 2004 Athens Paralympics, Holding made the final for both the 100m and 200m in the T54 class, but missed out on a medal, finishing fourth and eighth respectively.
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