[1] She represented Poland, as a 17-year-old, at the 2000 Summer Olympics, and also held numerous Polish records, long or short course, in a backstroke double, until they were all broken by Zuzanna Mazurek in 2008 and Alicja Tchorz in 2012.

[2] Miciul attended the Southern Methodist University in Dallas, Texas, where she majored in international studies and swam for the SMU Mustangs swimming and diving team, under head coach Steve Collins, from 2002 to 2006.

While swimming for the Mustangs, she earned a bronze medal in the 200-yard backstroke (2:00.92) at the 2003 Western Athletic Conference Championships, during her sophomore year.

[7][8] Four days later, in the 200 m backstroke, Miciul posted a time of 2:16.71 from the final of five heats, but finished only in twenty-third place on the morning prelims.

Leading off a backstroke leg in heat one, Miciul recorded a split of 1:04.18, but the Poles settled only for fourth place and twelfth overall in a final time of 4:11.08.