Tri-City Roller Derby (TCRD) is a competitive flat-track roller derby league based in the Kitchener–Waterloo–Cambridge region of Ontario. The league brings together skaters of all experience levels to train, compete, and promote the sport in a supportive, community-focused environment. TCRD hosts local games, participates in regional competition, and is committed to inclusivity, athletic development, and empowering athletes both on and off the track.