Ku dhammee weedhan soo socota: Ciyaarihii Olombikada ee 2000 ee Sydney, Kalmikovs wuxuu go'aansaday in uu ka tago kala badh labadiisa ciyaarood, wuxuuna ku tijaabiyay halkii uu ku ciyaari lahaa 100m breaststroke. Wuxuu gaadhay heerarka FINA B ee 1:04.89 (100 m breaststroke), 2:16.30 (200 m breaststroke), iyo 2:04.83 (200 m shakhsi ahaaneed)
Horyaalka Yurub ee Helsinki. Maalintii ugu horreysay ee Ciyaaraha, Kalmikovs wuxuu kaalinta 34aad ka galay orodka 100 m ee laabta. Isagoo dabaalanaya heerkulka afraad, wuxuu ku raaxeystay dhammaystirkii orodka ee Puerto Rico ee Arsenio López, maadaama ay labaduba ku dhufteen darbiga marka hore waqti isku mid ah 1:04.02. Saddex maalmood ka dib, orodka 200 m ee laabta, Kalmikovs wuxuu aasaasay rikoor cusub oo Latvian ah oo ah 2:16.21 si uu uga soo saaro dadaalkii sagaal iyo tobnaad ee heerkulka, laakiin wuxuu ka maqnaa kala-goynta semi-finalka in ka badan nus ilbiriqsi (0.50). Dhacdadii ugu dambeysay, 200 m shakhsi ahaaneed, Kalmikovs wuxuu galay afar iyo labaatanka subaxnimo. Mar kale ayuu dabaasha ka galay wareegga afraad, wuxuuna ku soo dhamaaday kaalinta labaad 0.11 ilbiriqsi oo ka dambeysa Dean Kent oo reer New Zealand ah oo leh waqtigii ugu fiicnaa ee 2:04.18.