Sheath competed for the New Zealand team in the women's team pursuit at the 2016 Summer Olympics in Rio de Janeiro.[2] There, she delivered the quartet of Lauren Ellis, Jaime Nielsen, and Rushlee Buchanan a New Zealand record of 4:17.592 to ensure the team's spot in the medal race, before narrowly losing the face-off to their Canadian rivals (4:18.459) for the bronze by a 3.8-second margin.[3][4]
Sheath retired from cycling in August 2020.[5] Following her retirement, she became a financial adviser with her family's insurance company, and opened a nail salon in Cambridge.[6]
