Kim Rhyme/Jason Smith (St. Paul, MN) qualified for the 2021 USA Curling Mixed Doubles National Championship playoffs, dropping their quarterfinals match 9-5 against Jenna Burchesky/Ben Richardson (Walpole, MA). of the 2021 USA Curling Mixed Doubles National Championship in Wausau, Wisconsin, United States;
 
Rhyme/Smith finished 4-1 in the 0-team qualifying round. . In their opening game, Rhyme/Smith defeated Ann Podoll/Nathan Parry (Fargo, ND) 11-7, then won 8-7 against Clare Moores/Lance Wheeler (Denver, CO). Rhyme/Smith went on to lose 9-4 against Sydney Mullaney/Chase Sinnett (Concord, MA). Rhyme/Smith responded with a 11-6 win over Harley Rohrbacher/Nicholas Visnich (Pittsburgh, PA). Rhyme/Smith won 9-1 against Monica Walker/Alex Leichter (Wayland, MA) in their final qualifying round match.
 
Rhyme/Smith ranks th overall on the Year-to-Date rankings with points earned so far this season.