[2] At the 1992 NCAA Men's Swimming and Diving Championships, he helped the Crimson Tide to pull off a sixth-place finish in the 200-yard medley relay with a time of 1:28.34.

[3] Michaelides made his official worldwide debut at the 1991 Mediterranean Games in Athens, Greece, where he earned a silver medal in the 50 m freestyle (23.65), trailing Italy's René Gusperti by eight hundredths of a second (0.08).

[9][10] A year later, at the 1997 Mediterranean Games in Bari, Italy, Michaelides shared a bronze medal with host nation's Lorenzo Vismara in the 50 m freestyle.

Michaelides toppled a new Cypriot record of 23.05 to pick up a third seed in his heat, finishing behind winner Volynets by almost half the body length.

[14] At the 2002 Commonwealth Games in Manchester, England, Michaelides missed the top 8 final in the 50 m freestyle, finishing his semifinal run in twelfth place with a time of 23.66.