Maya Horten/Adam Seymour (Portland, OR) lost 8-4 to Em Good/MacAllan Guy (Seattle, WA) in the Final of the MOPAC Mixed Doubles Championship, held November 10 - 12, 2017 in Portland, Oregon.
 
Horten/Seymour finished 2-1 in the 12-team qualifying round. . In their opening game, Horten/Seymour defeated Shelby Sweet/Jordan Williams (Seattle, WA) 5-1, then won 11-2 against Clara Mays/Nelson Rogers (San Francisco, CA). Horten/Seymour went on to lose 9-5 against Elaine Smith-Koop/Josh Engle (Portland, OR) in their final qualifying round match.
 
. For week 14 of the event schedule, Horten/Seymour did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Horten/Seymour ranks th overall on the Year-to-Date rankings with points earned so far this season.