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.

Hill's Ireland team-mate Shane Ryan produced an impressive swim in the men's 50m backstroke heats to qualify ... than Poland's Kacper Stokowski. Armagh man Nathan Wiffen is among three other ...