Valenzuela spent two years in the Rugby Canada Maple Leaf Academy before being called up to the Canada women's national rugby sevens team for the first time in December 2022, for the World Sevens Series in Dubai.[7][8] She became the only indigenous athlete on the national team.[6] In 2023, she played for the team at the Pan American Games and helped them win a silver medal, losing to the United States in the final.[9] In 2024, she was named an alternate for the team at the 2024 Summer Olympics.[10] She was promoted to the active squad following an injury to Keyara Wardley, participating in their match against France.[10] Canada ultimately won the silver medal, losing to New Zealand in the finals, with Valenzuela becoming the first indigenous woman to win a medal in rugby sevens for the country.[3][11]