Julia Markle (Toronto, ON) lost 5-4 to Mia Toner (Sudbury, NONT) in the Final of the Stu Sells Junior Tankard, held October 5 - 9, 2023 at the Barrie Curling Club in Barrie, Canada. Advancing directly to the semifinals, Markle won 5-3 over Miranda Scheel (Fargo, ND) to advance to the championship game. of the 2023 Stu Sells Junior Tankard in Barrie, Ontario, Canada; of the 2023 Stu Sells Junior Tankard in Barrie, Ontario, Canada;
 
Markle finished 4-0 in the 0-team qualifying round. . In their opening game, Markle defeated Ontario's Abbey Parkinson 7-5, then won 9-3 against Katelin Langford (Peterborough, ON) and 3-1 against Toner. Markle won 9-3 against Charlotte Johnston (Barrie, ON) in their final qualifying round match.
 
Markle ranks th overall on the Year-to-Date rankings with points earned so far this season.