2020 Regattas
| June 18 – 21 | C National Championship | Muskegon, MI |
| June 25 – 28 | A National Championship – Cancelled | Green Lake, WI |
| TBD | X Boat All Iowa Regatta | Okoboji, IA |
| July 9 – 12 | ILYA E Invitational | White Bear Lake, MN |
| July 9 – 12 | ILYA MC Invitational | Okauchee Lake, WI |
| July 16 – 19 | ILYA C Invitational | Pewaukee, WI |
| July 24 – 26 | Interlakes Regatta | Minnetonka, MN |
| July 29 – Aug 1 | ILYA X Championships | Lake Geneva, WI |
| Aug 2 – 4 | ILYA Optimist Championships | Lake Beulah, WI |
| Aug 12 – 18 | ILYA Championships (A/E/C/MC) | Okoboji, IA |
| Aug 19 – 22 | MC National Championship | Lake Geneva, WI |
| Aug 29 – 30 | Division 7 Hobie Cat Regatta | CLYC |
| Sept 10 – 13 | E National Championship | Little Egg, NJ |
| Sept 17 – 20 | MC Masters Championship (Rescheduled date) | CLYC |