After juniors, Harrison would win the Ontario Curling Association Tim Hortons Trophy with skip Vicky Hysop.

In 2010, her Alliston Curling Club rink finished the round robin with a 5-4 record, and won a tie-breaker match to make the playoffs.

In the playoffs, she won the 3 vs. 4 game, but lost in the semi-final to Tracy Horgan.

She played in her fourth provincials the following year, once again finishing the round robin with a 6–3 record.

Harrison qualified for provincials again in 2019, but finished the round robin with a 3–4 record, missing the playoffs.

Her first Grand Slam was the 2010 Players' Championships where her team went 2-3, just missing out on the playoffs by losing her final match.

In the 2016–17 curling season, she had more success, going to the quarterfinals of the 2017 Meridian Canadian Open and the semifinals of the 2017 Humpty's Champions Cup.