Raised in England, Miansarow rowed at school and then relocated to Sydney with her Australian mother and British father in 2011 aged 19. Her senior rowing in Australia was initially from the Mosman Rowing Club and later the Sydney University Boat Club. She made her first state representative appearance for New South Wales, in the 2012 women's youth eight which contested and won the Bicentennial Cup at the Interstate Regatta within the Australian Rowing Championships. In 2014 she moved into the New South Wales lightweight quad contesting the Victoria Cup, and she rowed in that event on four occasions between 2014 and 2018. She was in New South Wales' winning quad of 2018. In 2014 with Laura Dunn and racing for Mosman Rowing Club she won the national title in a lightweight double scull at the Australian Rowing Championships. At those same championships she won the lightweight quad scull national title in an Australian selection composite crew. At the Australian Championships in 2015 she placed second behind Georgia Nesbitt racing for the national lightweight single sculls title.
International representative rowing
Miansarow made her Australian representative debut in 2013 in an U23 lightweight double scull. She rowed with Georgia Nesbitt to a fifth place at the U23 World Rowing Championships in Linz. That same year with Nesbitt, Hannah Clarke and Alex Hayes she was selected in the Australian senior lightweight quad scull which raced at 2013 World Rowing Championships in Chungju to fifth place. In 2014 still paired with Nesbitt she raced in the lightweight double scull at the World Rowing Cup III in Lucerne to fifth place. The at the 2014 U23 World Rowing Championships in Varese the two Georgias rowed the double to a bronze medal.. In 2015 Miansarow joined the senior Australian lightweight quad of Maia Simmonds, Sarah Pound and Laura Dunn which had won a silver medal the year before. Miansarow replaced the veteran Hannah Every-Hall and they rowed to a fourth placing at the 2015 World Rowing Championships in Aiguebelette. Miansarow was back in Australian representative contention in 2017. She rowed in the lightweight double at the World Rowing Cup II in Poznan to sixth place and then at the WRC III in Lucerne with Amy James, Alice Arch and Nesbitt they raced in both the lightweight and the heavyweight quad events, winning the lightweight. They were in ready form for the 2017 World Rowing Championships in Sarasota where they rowed to a second placing and a silver medal. That crew stayed together into 2018. They raced as doubles at the WRC II in Linz where the two Georgias finished 14th and then at the WRC III in Lucerne with Arch changed out for Sarah Pound, they placed fifth.
