Christina Hammer is a Kazakhstani-born German boxer. She has held multiple world championships in two weight classes, including the WBO female middleweight title from 2010 to 2019, becoming the youngest boxer to win a WBO world title.
Christina Hammer was born on August 16, 1990, in Nowodolinka, Kazakh SSR, Soviet Union. She emigrated with her parents to Sontra, Germany, where started training in boxing. She trained in Eschwege under Robert Staar.
Christina Hammer is also the WBC female middleweight title between 2016 and 2018, as well as the WBO female super-middleweight title in 2013. She also challenged once for the WBO female light-middleweight title in 2014 and once for the undisputed female middleweight championship against Claressa Shields in 2019.
In February 2021, she returned to the amateur ranks with the intention of competing at the Tokyo 2020 Olympics.
Since Christina Hammer’s victory against Zita Zatyko, she has earned Fighter of the Year by the WBF and WBO. She was awarded BDB’s Female Boxer of the Year and the WBO awarded her with the WBO Diamond Ring for exceptional performance. As of February 2019, Christina Hammer is ranked as the world’s second-best active female middleweight by The Ring and BoxRec, and the seventh-best active female, pound-for-pound, by ESPN.
Christina Hammer is known for her patient and methodical boxing style, wearing her opponents down with jabs and increasingly aggressive follow-up rights.
Christina Hammer has 30 professional boxing fights, winning 28 of them and 13 by knockout.