Provincial Championship
| June 4-6 | Ontario Ball Hockey Association Bantam (U16) Provincials Championships | Penetang & Midland |
| June 4-6 | Ontario Ball Hockey Association Junior (U18) Provincials Championships | Penetang & Midland |
| June 4-6 | Ontario Ball Hockey Association Girls (U18) Provincials Championships | Penetang & Midland |
| July 9-11 | Ontario Ball Hockey Association Girls U10 (Novice) Provincials Championships | Oshawa |
| July 9-11 | Ontario Ball Hockey Association Girls U12 (Atom) Provincials Championships | Oshawa |
| July 9-11 | Ontario Ball Hockey Association Girls U14 (Peewee) Provincials Championships | Oshawa |
| July 9-11 | Ontario Ball Hockey Association Girls U16 (Bantam) Provincials Championships | Oshawa |
| July 9-11 | Ontario Ball Hockey Association Tyke (U8) Provincials Championships | Peterborough |
| July 9-11 | Ontario Ball Hockey Association Novice (U10) Provincials Championships | Peterborough |
| July 9-11 | Ontario Ball Hockey Association Atom (U12) Provincial Championships | Oshawa |
| July 9-11 | Ontario Ball Hockey Association Peewee (U14) Provincial Championships | Oshawa |
| August 13-15 | Ontario Ball Hockey Association Women's A Provincial Championships | Brampton |
| August 13-15 | Ontario Ball Hockey Association Women's B Provincial Championships | Brampton |
| August 13-15 | Ontario Ball Hockey Association Women's C Provincial Championships | Brampton |
| August 13-15 | Ontario Ball Hockey Association Women's Masters Provincial Championships | Brampton |
| August 13-15 | Ontario Ball Hockey Association Men's B Provincial Championships | London |
| August 13-15 | Ontario Ball Hockey Association Juvenile Provincial Championships | London |
| August 13-15 | Ontario Ball Hockey Association Master's Open Provincial Championships | London |
| August 13-15 | Ontario Ball Hockey Association Men's C Provincial Championships | London |
| August 13-15 | Ontario Ball Hockey Association Masters (O40) Provincial Championships | London |
| August 13-15 | Ontario Ball Hockey Association Men's D Provincial Championships | London |
| August 14-16 | Ontario Ball Hockey Association Men's E Provincial Championships | London |
Invitational
| Feb 26-28 | Ontario Ball Hockey Association Women's Holiday Classic Tournament | Oshawa |
| April 16-18 | Ontario Ball Hockey Association Winter Provincials | London |
| April 23.25 | Ontario Ball Hockey Association Women's A, B, C & Master's Pre-Season Tournament | Mississauga |
| June 4-6 | Ontario Ball Hockey Association First Responders Championships | Mississauga |
High School
| March 26 | Ontario Ball Hockey Association Highschool Challenge Cup (Boys & Girls) | Oshawa |
| April 02 | Ontario Ball Hockey Association Highschool Challenge Cup (Boys & Girls) | Toronto |
| May 07 | Ontario Ball Hockey Association Highschool Challenge Cup (Boys & Girls) | Penetang & Midland |
| May 14 | Ontario Ball Hockey Association Highschool Challenge Cup (Boys & Girls) | Brampton |
Elementary & Intermediate
| April 13 | Ontario Ball Hockey Association Intermediate School Challenge Cup (Boys & Girls) Gr. 7 & 8 | Penetang & Midland |
| May 04 | Ontario Ball Hockey Association Intermediate School Challenge Cup (Boys & Girls) Gr. 4, 5 & 6 | Penetang & Midland |
University/College Championships
| April 16-18 | Cawlidge Ball Hawkey Championships (Men's) | London |
| April 16-18 | Cawlidge Ball Hawkey Championships (Women's) | London |
National Ball Hockey of Canada Events
| May 6-9 | Canada Cup Men's 'A' - National Ball Hockey Association of Canada | Mississauga |
| May 6-9 | Canada Cup Women's A & B - National Ball Hockey Association of Canada | Mississauga |
| May 27-30 | Heritage Challenge Cup | Mississauga |
| July 22-25 | National Ball Hockey Association of Canada Women's Tier II & III Canada Cup | Halifax, Nova Scotia |
| July 22-25 | National Ball Hockey Association of Canada Men's Tier II Nationals | Halifax, Nova Scotia |
| July 22-25 | National Ball Hockey Association of Canada Men's Tier III Nationals | Halifax, Nova Scotia |
| July 22-25 | National Ball Hockey Association of Canada Men's Tier IV Nationals | Halifax, Nova Scotia |
| July 22-25 | CanAmerican Youth Ball Hockey Championships - Boys U13 | Brampton |
| July 22-25 | CanAmerican Youth Ball Hockey Championships - Boys U15 | Brampton |
| July 22-25 | CanAmerican Youth Ball Hockey Championships - Boys U17 | Brampton |
| July 22-25 | CanAmerican Youth Ball Hockey Championships - Boys U19 | Brampton |
| July 22-25 | CanAmerican Youth Ball Hockey Championships - Girls U19 | Brampton |
International Championships
| May 13-16 | World Ball Hockey Federation Master's Elite O45 Championship | Niagara Falls, Canada |
| May 27-30 | World Ball Hockey Federation Heritage Cup Championship | Mississauga, Canada |
| June 20-26 | World Ball Hockey Federation Men's & Women's Championships | Nitra, Slovakia |
| June 20-26 | World Ball Hockey Federation Men's & Women's Masters Open O35 | Nitra, Slovakia |
| June 29-July4 | World Ball Hockey Federation Junior U15, U17, U19, U21 Championships | Rovaniemi, Finland |
| August 24-29 | World Ball Hockey Federation Men's, Women's & Masters 3v3 | Orimattila, Finland |
| December 9-12 | World Ball Hockey Federation Men's, Women's & Masters 4v4 | Martinique, France |
|
February 12-14 |
2020 Over 50 SuperSeries (assuming Border is Open) |
St. Catharines |
|
February 19-21 |
PVR Spring Tournament |
St. Catharines |
|
February 26-28 |
2020 Bauer Clash of the Titans (assuming Border is Open) |
St. Catharines |
|
March 26-28 |
Ballhockey.com 3 on 3 Challenge Series (Men/Women/Youth) |
Welland |
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April 2-4 |
Ballhockey.com 3 on 3 Challenge Series (Men/Women/Youth) |
Barrie/Orillia |
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May 21-23 |
Gateway To The Worlds Qualifying Tournament |
Barrie |
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June 18-20 |
Open Provincial Youth Tournament - U 10 (2012/2011/2010) |
St. Catharines |
|
June 18-20 |
Open Provincial Youth Tournament - U 13 (2010/2009/2008) |
St. Catharines |
|
June 18-20 |
Open Provincial Youth Tournament - U 16 (2007/2006/2005) |
St. Catharines |
|
June 18-20 |
Open Provincial Youth Tournament - U 19 (2004/2003/2002) |
St. Catharines |
|
July 1-4 |
Gateway To The Worlds Qualifying Tournament |
St. Catharines |
|
September 3-5 |
Ballhockey.com 3 on 3 Challenge Series (Men/Women/Youth) |
Barrie/Niagara |
|
September 24-26 |
World Outdoor Championships - Men's A, B/C and Women's |
Barrie |
|
October 15-17 |
World Outdoor Championships - Men's Over 35, Co-ed Open & Com and Men's D |
St. Catharines |
| November 5-7 | 2021 Over 50 SuperSeries | St. Catharines |
| November 12-14 |
2021 Bauer Clash of the Titans |
St. Catharines |