She won a silver medal in the K-4 200 m event at the 1999 ICF Canoe Sprint World Championships in Milan.
For the Unified Team at the 1992 Summer Olympics in Barcelona, she finished ninth in the K-4 500 m event.
Four years later in Atlanta, Tishchenko finished seventh in the K-4 500 m event for Russia.
She would finish seventh in the K-4 500 m event for Russia again at the 2000 Summer Olympics in Sydney.
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