She competed at the 2017 World Junior Swimming Championships in Indianapolis where she was part of a Canadian team that set the junior world record and championship record in the girl's 4×100 m medley.

This brought her career world junior total to five gold, one silver and three bronze medals, a sum of nine in all.

In September 2017, Hannah was named to Canada's 2018 Commonwealth Games team.

[4][5] At the age of 14 in September 2016, Hannah and her mother made the move from her hometown of Halifax, Nova Scotia to Victoria, British Columbia in order to train with High Performance Center in Victoria, BC.

June 2020, Hannah moved to Toronto to train at the High Performance centre under Ben Titley at one of Canada's elite training facilities for the country's top swimmers.