| 2010 Opti Regattas | ||||
| International Events | http://www.optiworld.org | |||
| US Events | http://usoda.org/ | |||
| BC Events | http://www.bcsailing.bc.ca/Content/CIRCUIT/Main.asp | |||
| Alberta Events | http://www.albertasailing.com/ | |||
| Manitoba Events | http://www.sailmanitoba.com/regattas/regattas.htm | |||
| Ontario Events | http://www.ontariosailing.ca/Racing/Schedules/Dinghy_2010.php | |||
| Quebec Events | http://www.voile.qc.ca/competitions/jeuxQc/Horaire_circuit_qc_2010.doc | |||
| Maritime Events | http://www.nsya.ns.ca/events.php | |||
| JANUARY | ||||
| Dates | Location | Name of event | Continent | Results |
| Dec 27-30/09 | Coral Reef Yacht Club | Orange Bowl Regatta | US - FL | 09 |
| FEBRUARY | ||||
| Dates | Location | Name of event | Continent | Type |
| Feb 6-7 | St Petersburg Yacht Club, St Petersburg | VALENTINES REGATTA | US - FL | |
| Feb 12-16 | Cercle Nautique de Schoelcher | 20th Sailing Week of Schoelcher | Martinique | |
| MARCH | ||||
| Dates | Location | Name of event | Continent | Results |
| APRIL | ||||
| Dates | Location | Name of event | Continent | Results |
| Apr 24-25 | Royal Vancouver Yacht Club | Kitten Cup | BC | |
| MAY | ||||
| Dates | Location | Name of event | Prov/City | Results |
| May 1-2 | Royal Victoria Yacht Club | Spring Dinghy Champs | BC | |
| May 22-23 | Kelowna | Springtime Regatta - COSA | BC | |
| May 29-30 | Royal Hamilton Yacht Club | Lilac | ON | |
| JUNE | ||||
| Dates | Location | Name of event | Prov/City | Results |
| Jun 12-13 | Club nautique Deux-Montagne | Manche #1 | Vaudreuil-sur-le-Lac, QC | |
| Jun 12-13 | Royal Canadian Yacht Club | RCYC Open | Toronto - ON | |
| Jun 19-20 | Chautauqua Lake Yacht Club | USODA GREAT LAKES CHAMPIONSHIP | Lakewood, NY | |
| Jun 19-20 | Gimli Yacht Club | Viking Cup | Gimli, MB | |
| Jun 24 - Jun 27 | Club de voile Memphrémagog | Manche #2 | Magog, QC | |
| Jun 26 - Jul 4 | CORK - Kingston, Canada | IODA NORTH AMERICAN CHAMPIONSHIP | ON - Canada | |
| JULY | ||||
| Dates | Location | Name of event | Prov/City | Results |
| Jul 2-10 | Kamień Pomorski Yacht Club | IODA EUROPEAN CHAMPIONSHIP | Kamien-Pomorski, POLAND | |
| July 3-4 | Royal Vancouver Yacht Club | WAVES | BC | |
| July 3-4 | Zig Zag YC | Zig Zag Open | Clearwater Bay, Lake of the Woods, ON |
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| July 8-11 | Pointe-Claire Yacht Club | Manche #3 | Montréal, QC | |
| July 10-11 | Royal Lake of the Woods Yacht Club | Richardson Cup | Kenora, ON | |
| July 10-11 | Royal Hamilton Yacht Club | Fogh Boorman | ON | |
| July 11-12 | BBYC | ARK - | NS | |
| July 15-18 | Écovoile | Manche #4 | Carleton-sur-mer, QC | |
| July 18-19 | SMSC | The Wind | NS | |
| July 15-16 | Port Credit Yacht Club | Steerers | ON | |
| July 17-18 | Port Credit Yacht Club | 4 Sisters | ON | |
| July 24-25 | Royal Canadian Yacht Club - Register | LSSA | Toronto, ON | |
| July 23-24 | White Sail Worlds - BC | ON | ||
| July 22-25 | Hudson Yacht Club | Fruit Bowl - Manche #5 | Hudson, QC | |
| July 26-30 | Royal Canadian Yacht Club - Register | YODE | Toronto, ON | |
| July 29-30 | Chester Yacht Club | OptiJam | NS | |
| AUGUST | ||||
| Dates | Location | Name of event | Continent | Results |
| Aug 6-7 | Royal Nova Scotia Yacht Club | Kennedy Cup | NS | |
| TBA | QC3 | QC | ||
| Aug 7-8 | Summerland | SOSA | BC | |
| Aug 15-16 | National Capital - BYC | ON | ||
| Aug 16-19 | CORK - Kingston, Canada | CORK International | ON | |
| Aug 22-28 | Royal Hamilton Yacht Club | Canadian Optimist Dinghy Championships | Hamilton, ON | |
| SEPTEMBER | ||||
| Dates | Location | Name of event | Continent | Results |
| Sep 5-6 | NS Champ - RNSYS | NS | ||
| Sept 11-12 | Port Moody | Rocky Point Regatta | BC | |
| Sept 11-12 | Royal St-Lawrence Yacht Club | Championnat Provincial - Quebec | Dorval, QC | |
| Sept 11-12 | Royal Hamilton Yacht Club | Cornish Hen | ON | |
| Sept 23-26 | CORK | Fall CORK | ON | |
| Sept 25-26 | Royal Victoria Yacht Club | Fall Dinghy Champs | BC | |
| Sept 25-27 | Lake Norman Yacht Club | USODA SOUTHEAST CHAMPIONSHIP | Charlotte NC - US | |
| OCTOBER | ||||
| Dates | Location | Name of event | Continent | Results |
| Oct 9 - 10 | Tred Avon Yacht Club | SODA ATLANTIC COAST CHAMPIONSHIP | Oxford, MD - US | |
| Oct 16-17 | West Vancouver Yacht Club | Pumpkin Bowl | BC | |
| NOVEMBER | ||||
| Dates | Location | Name of event | Continent | Results |
| DECEMBER | ||||
| Dates | Location | Name of event | Continent | Results |
| Dec 28 - Jan 8/11 | Malaysia Yachting Association | IODA WORLD SAILING CHAMPIONSHIP | Langkawi, MALAYSIA | |