James Grattan (Fredericton, NB) lost 8-3 to Jamie Koe (Yellowknife, NT) in the Bronze Medal game at the 2022 Canadian Mixed Curling Championship in Canmore, Alberta. of the 2022 Canadian Mixed Curling Championship in Canmore, Alberta; James Grattan (Fredericton, NB) lost 8-3 to Jamie Koe (Yellowknife, NT) in the Bronze Medal game at the 2022 Canadian Mixed Curling Championship in Canmore, Alberta. Grattan lost 6-5 to Mike McLean (Ottawa, ON) in the semifinals to drop into the third place game. of the 2022 Canadian Mixed Curling Championship in Canmore, Alberta;
 
Grattan finished 7-3 in the 0-team qualifying round. . In their opening game, Grattan defeated Keith Ryan (Labrador City, NL) 6-5, then won 5-4 against Dean Grindheim (North Battleford, SK). Grattan went on to lose 5-3 against Sebastien Robillard (Kamloops, BC). Grattan responded with a 7-3 win over Terry Miller (Whitehorse, YK). Grattan won 9-6 against Jamie Newson (Charlottetown, PEI). Grattan went on to lose 5-4 against McLean. Grattan responded with a 5-4 win over Jean-Michel Menard (Levis, QC). Grattan won 4-1 against Trevor Bonot (Thunder Bay, NONT). Grattan went on to lose 5-3 against Koe. Grattan responded with a 9-8 win over Alex Forrest (Winnipeg, MB) in their final qualifying round match.
 
Grattan ranks th overall on the Year-to-Date rankings with points earned so far this season.