Freestyle swimming has been included in every modern Olympics. Currently, freestyle is contested in more Olympic events than any other stroke, at distances of 50m, 100m, 200m, 400m, 800m, and 1500m.

This Impairment must be present before the age of 18. The sport class names in swimming consist of a prefix “S” or “SB” and a number. The prefixes stand for the strokes and the number indicates the ...