Kammala jumla mai zuwa: A Wasannin Olympics na bazara na 2000 a Sydney, Kalmikovs ya yanke shawarar sauke rabin rabinsa, kuma yayi gwaji a maimakon haka tare da 100 m breaststroke. Ya sami matsayin FINA B na 1:04.89 (100 m ƙirjin), 2:16.30 (200 m ƙirjin), da 2:04.83 (200 m na mutum) daga
Gasar zakarun Turai a Helsinki. A ranar farko ta wasannin, Kalmikovs ya sanya na talatin da huɗu a tseren mita 100 na ƙirji. Yin iyo a zagaye na huɗu, ya ji daɗin gama tsere tare da Arsenio López na Puerto Rico, yayin da dukansu suka fara buga bango a daidai lokacin 1:04.02. Kwana uku bayan haka, a cikin tseren tseren mita 200, Kalmikovs ya kafa sabon rikodin Latvia na 2: 16.21 don fitar da ƙoƙari na goma sha tara daga zafin jiki, amma ya rasa yankewar rabin karshe da fiye da rabin na biyu (0.50). A cikin taron sa na ƙarshe, tseren tseren mutum 200 m, Kalmikovs ya sanya na ashirin da huɗu a farkon safiya. Yana sake yin iyo a zagaye na huɗu, ya zo a matsayi na biyu ta hanyar 0.11 na biyu a bayan Dean Kent na New Zealand a cikin mafi kyawun rayuwa na 2:04.18.