The National is a curling tournament that is one of the five events that are part of the Grand Slam of Curling tour, and one of its four "majors".
The event was re-branded in 2025 to the KIOTI GSOC Tahoe to reflect the event being held outside of Canada. The 2004–05 event was also re-branded as the BDO Curling Classic.
Format Beginning in 2022, the event features 16 men's and 16 women's teams. The top 16 (or 15 if there's a sponsors exemption) teams on the World Curling Federation's Order of Merit qualify. In some cases a "sponsors exemption" is permitted, in which a local team is picked to compete. The 16 teams are divided into four groups of four teams, and the top eight teams overall advance to a single elimination playoff. In 2021, the event was a 16 team triple knockout event before the 8 team playoff. From 2015 to 2019, the event had 15 teams divided into three groups of five teams. From 2007 to 2014, the event had three pools of six teams each.
Past champions Men Year Winning team Runner-up team Location Purse (CAD) 2002 M&M Meat Shops National Glenn Howard, Richard Hart, Collin Mitchell, Jason Mitchell Greg McAulay, Brent Pierce, Bryan Miki, Jody Sveistrup Sault Ste. Marie, Ontario $100,000 2003 National Martin Ferland, Pierre Charette (skip), Michel Ferland, Marco Berthelot Glenn Howard, Richard Hart, Collin Mitchell, Jason Mitchell Humboldt, Saskatchewan $100,000 2004 National (Jan.) Glenn Howard, Richard Hart, Collin Mitchell, Jason Mitchell Jeff Stoughton, Jon Mead, Garry Van Den Berghe, Steve Gould Prince Albert, Saskatchewan $100,000 2004 BDO Curling Classic (Nov.) Kevin Martin, Don Walchuk, Carter Rycroft, Don Bartlett Jeff Stoughton, Jon Mead, Garry Van Den Berghe, Steve Gould Hamilton, Ontario $100,000 2005 National Wayne Middaugh, Peter Corner, Phil Loevenmark, Scott Bailey Pat Simmons, Jeff Sharp, Ben Hebert, Steve Laycock Port Hawkesbury, Nova Scotia $100,000 2007 National (Mar.) Kevin Martin, John Morris, Marc Kennedy, Ben Hebert Blake MacDonald, Kevin Koe (skip), Carter Rycroft, Nolan Thiessen Port Hawkesbury, Nova Scotia $100,000 2007 National (Dec.) Kevin Martin, John Morris, Brent Laing, Ben Hebert Blake MacDonald, Kevin Koe, Carter Rycroft, Nolan Thiessen Port Hawkesbury, Nova Scotia $100,000 2008 National Wayne Middaugh, Jon Mead, John Epping, Scott Bailey* Brad Gushue, Mark Nichols, Ryan Fry, Jamie Korab Quebec City, Quebec $100,000 2010 National (Jan.) Brad Gushue, Mark Nichols, Ryan Fry, Jamie Korab David Nedohin, Randy Ferbey (skip), Scott Pfeifer, Marcel Rocque Guelph, Ontario $100,000 2010 Swiss Chalet National (Dec.) Kevin Martin, John Morris, Marc Kennedy, Ben Hebert Jeff Stoughton, Jon Mead, Reid Carruthers, Steve Gould Vernon, British Columbia $100,000 2012 Pomeroy Inn & Suites National Glenn Howard, Wayne Middaugh, Brent Laing, Craig Savill Kevin Martin, John Morris, Marc Kennedy, Ben Hebert Dawson Creek, British Columbia $100,000 2013 National Jeff Stoughton, Jon Mead, Reid Carruthers, Mark Nichols Mike McEwen, B. J. Neufeld, Matt Wozniak, Denni Neufeld Port Hawkesbury, Nova Scotia $100,000 2014 Syncrude National (Mar.) Glenn Howard, Wayne Middaugh, Brent Laing, Craig Savill Brad Gushue, Brett Gallant, Adam Casey, Geoff Walker Fort McMurray, Alberta $100,000 2014 Syncrude National (Nov.) Mike McEwen, B. J. Neufeld, Matt Wozniak, Denni Neufeld Brad Jacobs, Ryan Fry, E. J. Harnden, Ryan Harnden Sault Ste. Marie, Ontario $100,000 2015 National Brad Gushue, Mark Nichols, Brett Gallant, Geoff Walker Reid Carruthers, Braeden Moskowy, Derek Samagalski, Colin Hodgson Oshawa, Ontario $100,000 2016 Boost NationalCurlingZone Brad Jacobs, Ryan Fry, E. J. Harnden, Ryan Harnden Reid Carruthers, Braeden Moskowy, Derek Samagalski, Colin Hodgson Sault Ste. Marie, Ontario $125,000 2017 Boost National Bruce Mouat, Grant Hardie, Bobby Lammie, Hammy McMillan Jr. Kim Chang-min, Seong Se-hyeon, Oh Eun-soo, Lee Ki-bok Sault Ste. Marie, Ontario $125,000 2018 Boost National Ross Paterson, Kyle Waddell, Duncan Menzies, Michael Goodfellow Bruce Mouat, Grant Hardie, Bobby Lammie, Hammy McMillan Jr. Conception Bay South, Newfoundland and Labrador $125,000 2019 Boost National Brad Jacobs, Marc Kennedy, E. J. Harnden, Ryan Harnden Niklas Edin, Oskar Eriksson, Rasmus Wranå, Christoffer Sundgren Conception Bay South, Newfoundland and Labrador $150,000 2021 Boost National Brad Gushue, Mark Nichols, Brett Gallant, Geoff Walker Bruce Mouat, Grant Hardie, Bobby Lammie, Hammy McMillan Jr. Chestermere, Alberta $150,000 2022 Boost National Brad Gushue, Mark Nichols, E. J. Harnden, Geoff Walker Niklas Edin, Oskar Eriksson, Rasmus Wranå, Christoffer Sundgren North Bay, Ontario $150,000 2023 KIOTI National Joël Retornaz, Amos Mosaner, Sebastiano Arman, Mattia Giovanella Niklas Edin, Oskar Eriksson, Rasmus Wranå, Christoffer Sundgren Westville Road, Nova Scotia $200,000 2024 KIOTI National Bruce Mouat, Grant Hardie, Bobby Lammie, Hammy McMillan Jr. Brad Jacobs, Marc Kennedy, Brett Gallant, Ben Hebert St. John's, Newfoundland and Labrador $200,000 2025 KIOTI GSOC Tahoe Bruce Mouat, Grant Hardie, Bobby Lammie, Hammy McMillan Jr. Matt Dunstone, Colton Lott, E. J. Harnden, Ryan Harnden Stateline, Nevada $200,000 *Maxime Elmaleh curled for the team in the final.
Women Year Winning team Runner-up team Location Purse (CAD) 2015 Rachel Homan, Emma Miskew, Joanne Courtney, Lisa Weagle Tracy Fleury, Crystal Webster, Jenna Walsh, Jenn Horgan Oshawa, Ontario $100,000 2016CurlingZone Kerri Einarson, Selena Kaatz, Liz Fyfe, Kristin MacCuish Silvana Tirinzoni, Cathy Overton-Clapham, Esther Neuenschwander, Marlene Albrecht Sault Ste. Marie, Ontario $100,000 2017 Jennifer Jones, Kaitlyn Lawes, Jill Officer, Dawn McEwen Casey Scheidegger, Cary-Anne McTaggart, Jessie Scheidegger, Kristie Moore Sault Ste. Marie, Ontario $125,000 2018 Rachel Homan, Emma Miskew, Joanne Courtney, Lisa Weagle Kerri Einarson, Val Sweeting, Shannon Birchard, Briane Meilleur Conception Bay South, Newfoundland and Labrador $100,000 2019 Anna Hasselborg, Sara McManus, Agnes Knochenhauer, Sofia Mabergs Jennifer Jones, Kaitlyn Lawes, Jocelyn Peterman, Laura Walker Conception Bay South, Newfoundland and Labrador $150,000 2021 Anna Hasselborg, Sara McManus, Agnes Knochenhauer, Sofia Mabergs Tracy Fleury, Selena Njegovan, Liz Fyfe, Kristin MacCuish Chestermere, Alberta $150,000 2022 Alina Pätz, Silvana Tirinzoni (skip), Carole Howald, Briar Schwaller-Hürlimann Kerri Einarson, Val Sweeting, Shannon Birchard, Briane Harris North Bay, Ontario $150,000 2023 Gim Eun-ji, Kim Min-ji, Kim Su-ji, Seol Ye-eun, Seol Ye-ji Rachel Homan, Tracy Fleury, Emma Miskew, Sarah Wilkes Westville Road, Nova Scotia $200,000 2024 Rachel Homan, Tracy Fleury, Emma Miskew, Sarah Wilkes Anna Hasselborg, Sara McManus, Agnes Knochenhauer, Sofia Mabergs St. John's, Newfoundland and Labrador $200,000 2025 Rachel Homan, Tracy Fleury, Emma Miskew, Sarah Wilkes Alina Pätz, Silvana Tirinzoni (skip), Carole Howald, Selina Witschonke Stateline, Nevada $200,000
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