Rizzo qualified for the 2005 Canadian Olympic Curling Trials, where she and her rink of Cheryl McPherson, Kimberly Tuck and Sara Gatchell finished in 9th with a 2-7 record.

Rizzo joined the Yellowknife, Northwest Territories-based Kerry Galusha rink for the 2019–20 season, first at second, but later throwing fourth stones.

They had some success on the tour, having a quarterfinal finish at the 2019 AMJ Campbell Shorty Jenkins Classic[6] and reaching the semifinals of the Stu Sells Toronto Tankard.

[7] The team won the 2020 Northwest Territories Scotties Tournament of Hearts in January 2020, qualifying Rizzo for her first Canadian women's championship appearance.

[10] Due to the COVID-19 pandemic in Canada, the qualification process for the 2021 Canadian Olympic Curling Trials had to be modified to qualify enough teams for the championship.

[14] At the 2022 Scotties Tournament of Hearts, the team finished the round robin with a 5–3 record, qualifying them for a tiebreaker against Manitoba's Mackenzie Zacharias.

[18] In the new year, they again went undefeated to win the 2023 Northwest Territories Scotties Tournament of Hearts, defeating Reese Wainman 8–1 in the final.

In December, the team went undefeated at the Stu Sells Brantford Nissan Classic until the final where they lost to Courtney Auld.

[24][25] Rizzo won a third provincial senior championship in 2024 with teammates Janet Murphy, Lori Eddy and Mary Chilvers.

Rizzo however would still find herself selected to attend the 2024 World Senior Curling Championships as an alternate where she would get to claim a gold medal.