Brinley Kaczmarek began gymnastics at the age of three and quickly took to gymnastics. Brinley began competing in fall 2017 as a level 2. At her first meet, Chow's Rising Stars, Brinley placed second on bars, floor, and in the all around. Brinley concluded her season at the Nebraska State Championships where she earned second place all around. In fall 2018, Brinley began competing level 3. At her first meet of the season, Brinley had a fantastic meet, winning the vault, bars, floor, and all around titles.
Currently, Brinley trains 13 hours per week under coaches Courtney Larsen and Taylor Sanford at Premier Gymnastics. In the future, Brinley's goal is to earn a scholarship to a division 1 school for gymnastics.