Debra Horn (Cleveland, OH) run at the 2017 USA Senior Women's National Championship came to an end in the semifinals with a 7-6 loss to Patti Lank (Madison, WI). of the 2017 USA Senior Women's National Championship in Beaverton, Oregon;
 
Horn finished 3-1 in the 0-team qualifying round. . In their opening game, Horn defeated Norma O'Leary (Duluth, MN) 5-4, then won 10-6 against Karen Fairley (Portland, OR) and 8-3 against Beth Bohlman (Grand Forks, ND). Horn went on to lose 9-2 against Susan Carothers (Fairbanks, AK) in their final qualifying round match.
 
. For week of the event schedule, Horn did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Horn ranks th overall on the Year-to-Date rankings with points earned so far this season.