| 2019 BOOST National | |
|---|---|
| Host city | Conception Bay South, Newfoundland and Labrador |
| Arena | Conception Bay South Arena |
| Dates | December 10–15 |
| Men's winner |  Team Jacobs |
| Curling club | Soo Curlers Association, Sault Ste. Marie |
| Skip | Brad Jacobs |
| Third | Marc Kennedy |
| Second | E. J. Harnden |
| Lead | Ryan Harnden |
| Finalist |  Niklas Edin |
| Women's winner | Team Hasselborg |
| Curling club | Sundbybergs CK, Sundbyberg |
| Skip | Anna Hasselborg |
| Third | Sara McManus |
| Second | Agnes Knochenhauer |
| Lead | Sofia Mabergs |
| Finalist |  Jennifer Jones |
« 2018 2021 » | |
The 2019 BOOST National was held from December 10 to 15, at the Conception Bay South Arena in Conception Bay South, Newfoundland and Labrador. It was the third Grand Slam and second major of the 2019–20 season.
In the men's final, Team Brad Jacobs defeated Team Niklas Edin 3–1 to win their second consecutive Grand Slam event. In the women's final, Team Anna Hasselborg also won their second consecutive Grand Slam event, defeating Team Jennifer Jones 7–3.