Career
He picked up a total of ten medals in his career, including four from the World Judo Cup series and a bronze from the 2003 European U23 Championships in Nabeul, Tunisia, and represented his nation Georgia in the 81-kg class at the 2004 Summer Olympics. Mamrikishvili qualified for the Georgian squad in the men"s half-middleweight category (81 kg) at the 2004 Summer Olympics in Athens, by topping the field of judoka and granting a berth from the A-Tournament in his native Tbilisi. He lost his opening match to an experienced Estonian judoka and 2000 Olympic bronze medalist Aleksei Budõlin, who tossed him to the tatami for a waza-ari and an additional yuko point to close the five-minute bout.