Nina Roth/Kroy Nernberger (Madison, WI) run at the 2019 USA Curling Mixed Doubles National Championship came to an end in the semifinals with a 8-2 loss to Vicky Persinger/Christopher Plys (Fairbanks, AK). of the 2019 USA Curling Mixed Doubles National Championship in Seattle, Washington; Roth/Nernberger advanced through the quarterfinals with a 7-5 win over Sarah Anderson/Korey Dropkin (Chaska, MN). of the 2019 USA Curling Mixed Doubles National Championship in Seattle, Washington;
 
Roth/Nernberger finished 3-2 in the 0-team qualifying round. . In their opening game, Roth/Nernberger lost 11-9 to Tabitha Peterson/Joe Polo (St. Paul, MN), then responded with a 7-5 win over Becca Hamilton/Matt Hamilton (Madison, WI). Roth/Nernberger won 6-5 against Maureen Stolt/Peter Stolt (St. Paul, MN), then won 12-1 against Em Good/MacAllan Guy (Seattle, WA). Roth/Nernberger went on to lose 9-4 against Monica Walker/Alex Leichter (St. Paul, MN) in their final qualifying round match.
 
. For week 29 of the event schedule, Roth/Nernberger did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Roth/Nernberger ranks th overall on the Year-to-Date rankings with points earned so far this season.