Kiper competed only in the men's 100 m breaststroke at the 2000 Summer Olympics in Sydney. He achieved a FINA B-cut of 1:05.29 from the Speedo Turkish Open Championships in Istanbul. He challenged seven other swimmers in heat three, including three-time Olympian Jorg Lindemeier of Namibia. He rounded out the field to last place in 1:07.46, a 3.34-second deficit from leader Vadim Tatarov of Moldova. Kiper failed to advance into the semifinals, as he placed sixtieth overall on the first day of prelims.