[1] She represented Canada at the 2016 Summer Paralympics in Rio de Janeiro, where she won the silver medal in the women's 200 m individual medley SM7.
At the 2015 International Paralympic Committee World Championships in Glasgow, Scotland, she won silver in the 200-metre individual medley and finished fourth in four other races.
[11] Routliffe missed the Tokyo 2020 Paralympic Games after breaking her spine at the L1 vertebra while weight training.
[17] At the 2022 World Para Swimming Championships she won gold in the 100-metre breaststroke SB7, silver in the 200 individual medley SM7,[18] and bronze in the 50 butterfly S7.
[20] Routliffe is set to compete in the women’s 50m butterfly S7, 100m breaststroke SB7 and 200m individual medley SM7 at the 2024 Summer Paralympics.