2021 Region 10 Modified Outboard Schedule
| Regatta | Date | Race Location | Championship | Status |
|---|---|---|---|---|
| Moses Lake Get Ready for Summer Test Session | Start Date Sat Apr 17, 2021 End Date Sun Apr 18, 2021 | Location Moses Lake, WA Body of Water Moses Lake | Approved | |
| 2021 Mount St. Helens Regatta | Start Date Sat May 1, 2021 End Date Sun May 2, 2021 | Location Castle Rock, WA Body of Water Silver Lake | National Championship | Approved |
| Memorial Weekend Boat Races | Start Date Sat May 29, 2021 End Date Sun May 30, 2021 | Location Newberg , OR Body of Water Willamette River | Tentative | |
| Newberg Memorial Weekend Boat Races | Start Date Sat May 29, 2021 End Date Sun May 30, 2021 | Location Newberg, OR Body of Water Willamette River | Tentative | |
| Silver Lake Regatta | Start Date Sat Jun 5, 2021 End Date Sun Jun 6, 2021 | Location Everett, WA Body of Water Silver Lake | Divisional | Tentative |
| 50th Anniversary Smilin George Memorial Regatta | Start Date Sat Aug 14, 2021 End Date Sun Aug 15, 2021 | Location Eatonville, WA Body of Water Silver lake | Divisional | Tentative |
| Lake Lawrence World Record Regatta | Start Date Sat Sep 18, 2021 End Date Sat Sep 18, 2021 | Location Yelm , WA Body of Water Lake Lawrence | Tentative |