Tabitha Peterson/Joe Polo (St. Paul, MN) run at the 2019 USA Curling Mixed Doubles National Championship came to an end in the semifinals with a 6-5 loss to Cory Christensen/John Shuster (Duluth, MN). of the 2019 USA Curling Mixed Doubles National Championship in Seattle, Washington;
 
Peterson/Polo finished 5-0 in the 0-team qualifying round. . In their opening game, Peterson/Polo defeated Nina Roth/Kroy Nernberger (Madison, WI) 11-9, then won 8-7 against Monica Walker/Alex Leichter (St. Paul, MN) and 9-6 against Em Good/MacAllan Guy (Seattle, WA). Peterson/Polo won 8-4 against Becca Hamilton/Matt Hamilton (Madison, WI), then won 8-2 against Maureen Stolt/Peter Stolt (St. Paul, MN) in their final qualifying round match.
 
. For week 29 of the event schedule, Peterson/Polo did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Peterson/Polo ranks th overall on the Year-to-Date rankings with points earned so far this season.