[6] From 2018 to 2020, Manker was enrolled at the International Institute of Modern Letters, a centre of creative writing that is part of Victoria University of Wellington.

At the 2007 World Rowing Junior Championships in Beijing, she won silver in the single scull, beaten by the Chinese rower Zhu Weiwei.

[9] At the 2010 European Rowing Championships in Montemor-o-Velho, Portugal, she won silver in the quad scull alongside Britta Oppelt, Carina Bär, and Richter.

At the 2011 World Rowing Championships, Manker, Richter, Stephanie Schiller and Oppelt won the gold medal in the women's quadruple sculls.

[11] After obtaining her teaching diploma in 2013, Manker taught English at Onslow College; the secondary school is located in Wellington's suburb of Johnsonville.