[3] In 2006, Yuliya Maryanko won a bronze medal in free routine combination event at the 2006 European Junior Synchronised Swimming Championships, held in Bonn.

[8][9] In 2007, Yulia won a Ukrainian Synchronized Swimming Cup in duet and ream routine events, representing Kharkiv Oblast.

[11] In 2009, she represented Ukraine at the 2009 European Synchronized Swimming Champions Cup, held in Andorra la Vella, where she received a bronze medal in duet routine.

[12] In 2010, Yuliya competed at the FINA Synchro World Trophy 2010, held in Russia, where she received a bronze medal in team thematic routine event.

[14][15] There she competed at the 2011 and 2012 U.S. National Synchronised Swimming Championships, representing the Ohio State, where she received overall 3 gold medals in duet and trio routines.