| Event | Year | Start | End | Races | Teams |
|---|---|---|---|---|---|
| Turkey Bowl | 2021 | 20 Nov | 21 Nov | 4 | 12 |
| Santa Cruz Fall Regatta | 2021 | 13 Nov | 14 Nov | 9 | 7 |
| Carl Miller Regatta | 2021 | 29 Oct | 31 Oct | 10 | 15 |
| Fall Dinghy | 2021 | 23 Oct | 24 Oct | 5 | 7 |
| North American Championship | 2021 | 30 Sep | 03 Oct | 12 | 31 |
| Harris Bay Intergalactic 505 Regatta | 2021 | 11 Sep | 12 Sep | 7 | 12 |
| Buzzards Bay Regatta | 2021 | 07 Aug | 08 Aug | 6 | 13 |
| Pacific Coast Championship – Columbia Gorge One-Design Regatta | 2021 | 31 Jul | 01 Aug | 7 | 10 |
| 505 Sakonnet Open | 2021 | 17 Jul | 18 Jul | 7 | 7 |
| Santa Cruz Summer Regatta | 2021 | 26 Jun | 27 Jun | 7 | 13 |
| Stuart Sinclair | 2021 | 12 Jun | 13 Jun | 6 | 9 |
| Wickford Regatta | 2021 | 05 Jun | 06 Jun | 6 | 9 |
| East Coast Championship | 2021 | 21 May | 21 May | 9 | 12 |
| Elvstrom Zellerbach | 2021 | 15 May | 16 May | 7 | 6 |