Mezue ahịrịokwu na-esonụ: N'egwuregwu Olimpik nke 2000 na Sydney, Kalmikovs kpebiri ịhapụ ọkara nke abụọ ya, ma nwalee kama 100 m breaststroke. O nwetara ụkpụrụ FINA B nke 1:04.89 (100 m breaststroke), 2:16.30 (200 m breaststroke), na 2:04.83 (200 m medley onye) site na
Egwuregwu Europe na Helsinki. N'ụbọchị mbụ nke Egwuregwu, Kalmikovs tinyere iri atọ na anọ na 100 m breaststroke. Na-egwu mmiri na okpomọkụ nke anọ, ọ nwere obi ụtọ na njedebe ọsọ ọsọ na Puerto Rico's Arsenio López, ebe ha abụọ buru ụzọ kụọ mgbidi na oge nke 1:04.02. Ụbọchị atọ ka nke ahụ gasịrị, na 200 m breaststroke, Kalmikovs guzobere ndekọ ọhụrụ Latvian nke 2:16.21 iji wepụ mgbalị nke iri na itoolu site na ọkụ, mana ọ na-efu ihe karịrị ọkara nke abụọ (0.50). N'ihe omume ikpeazụ ya, 200 m onye ọ bụla, Kalmikovs tinyere iri abụọ na anọ na ụtụtụ ụtụtụ. Na-egwu mmiri ọzọ na okpomọkụ nke anọ, ọ bịara na nke abụọ site na 0.11 nke abụọ n'azụ New Zealand Dean Kent na oge kachasị mma nke 2:04.18.