The 2023 HearingLife Tour Challenge was held from October 17 to 22 at the Gale Centre in Niagara Falls, Ontario.

[1] It was the first Grand Slam event of the 2023–24 curling season.

The Tour Challenge consists of two tiers of 16 teams.

For Tier 1, the top 16 ranked men's and women's teams on the World Curling Federation's world team rankings as of September 18, 2023 qualified.

For Tier 2, the next 16 teams on the WCF rankings as of September 18, 2023 were invited.