| 2018 Tour Challenge | |
|---|---|
| Host city | Thunder Bay, Ontario |
| Arena | Tournament Centre |
| Dates | November 6–11 |
| Men's winner |  Brad Jacobs |
| Curling club | Community First CC, Sault Ste. Marie, ON |
| Skip | Brad Jacobs |
| Third | Ryan Fry |
| Second | E. J. Harnden |
| Lead | Ryan Harnden |
| Coach | Adam Kingsbury |
| Finalist |  Brendan Bottcher |
| Women's winner | Rachel Homan |
| Curling club | Ottawa CC, Ottawa, ON |
| Skip | Rachel Homan |
| Third | Emma Miskew |
| Second | Joanne Courtney |
| Lead | Lisa Weagle |
| Finalist |  Tracy Fleury |
« 2017 2019 » | |
The 2018 Tour Challenge was held from November 6 to 11 at the Tournament Centre in Thunder Bay, Ontario. This was the third Grand Slam of the 2018–19 curling season.
In the men's Tier 1 competition, Brad Jacobs defeated Brendan Bottcher in the final 6–5. Team Bottcher was playing in their first Grand Slam final. In Tier 2, Kirk Muyres defeated Scott McDonald's team in the final to secure a spot in the 2019 Canadian Open.
The women's Tier 1 competition saw Rachel Homan defeat Tracy Fleury 8–4. In the Tier 2 final, Elena Stern beat Sayaka Yoshimura 6–5, qualifying for the 2019 Canadian Open.