On August 20, Smith won the 2017 U.S. National Gymnastics Championships all-around title with a two-day combined score of 115.250, over three points ahead of silver medalist Jordan Chiles. She also placed first on floor exercise ahead of Jade Carey and Trinity Thomas, first on balance beam ahead of Riley McCusker and Thomas, and third on uneven bars behind McCusker and Locklear. She was named to the national team for the fourth consecutive year.