| Event | Year | Start | End | Races | Teams |
|---|---|---|---|---|---|
| Gdynia Sailing Days | 2026 | 10 Jul | 12 Jul | 9 | 13 |
| World Championship | 2026 | 06 Jul | 11 Jul | 10 | 90 |
| Pre-Worlds & UK National Championship | 2026 | 04 Jul | 05 Jul | 6 | 82 |
| Energa Nord Cup Gdańsk | 2026 | 27 Jun | 28 Jun | 5 | 11 |
| Championnat de France | 2026 | 26 Jun | 29 Jun | 9 | 35 |
| Alsterpokal | 2026 | 20 Jun | 21 Jun | 5 | 10 |
| KZN Regional Championship | 2026 | 14 Jun | 16 Jun | 2 | 13 |
| YSS-Cup SWE 505 Cup 2 | 2026 | 12 Jun | 14 Jun | 6 | 12 |
| Wickford Regatta | 2026 | 06 Jun | 07 Jun | 8 | 10 |
| Elvstrom Zellerbach | 2026 | 06 Jun | 07 Jun | 6 | 7 |
| Tampereen Regatta | 2026 | 06 Jun | 07 Jun | 10 | 4 |
| Internationale Deutsche Meisterschaft | 2026 | 04 Jun | 07 Jun | 10 | 31 |
| Puchar Polskiego Związku Żeglarskiego | 2026 | 29 May | 31 May | 9 | 10 |
| Pfingstwettfahrten | 2026 | 23 May | 24 May | 1 | 12 |
| Saltsjöbadsregattan | 2026 | 16 May | 17 May | 6 | 11 |
| Blue Garden Riva Cup | 2026 | 14 May | 16 May | 8 | 43 |
| Spring Regatta | 2026 | 09 May | 10 May | 6 | 13 |
| Grand Prix Cinquo de Douarnenez | 2026 | 30 Apr | 02 May | 8 | 17 |
| Wittensee Fight | 2026 | 25 Apr | 25 Apr | ||
| P&B 505 UK Inland Championships | 2026 | 18 Apr | 19 Apr | 6 | 9 |