| Event | Year | Start | End | Races | Teams |
|---|---|---|---|---|---|
| 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 |
| Frühjahrswettfahrten | 2026 | 18 Apr | 19 Apr | 5 | 18 |
| Euro Cup Series Leg 1 | 2026 | 03 Apr | 05 Apr | 10 | 42 |
| Coupe des Vrais Bateaux | 2026 | 28 Mar | 29 Mar | 6 | 15 |
| Midwinter Championship | 2026 | 06 Mar | 08 Mar | 9 | 9 |
| E. E. Manning Regatta | 2026 | 01 Mar | 02 Mar | 3 | 12 |
| Australian National Championships | 2026 | 17 Jan | 23 Jan | 9 | 30 |
| Carl Miller Fall Regatta | 2025 | 25 Oct | 26 Oct | 3 | 6 |
| Fall Dinghy | 2025 | 25 Oct | 26 Oct | 6 | 10 |
| Sauna Cup | 2025 | 25 Oct | 26 Oct | 4 | 7 |
| European Championship | 2025 | 22 Oct | 25 Oct | 5 | 58 |
| Sista Slaget” – (Öppet Västkustmästerskap) | 2025 | 12 Oct | 12 Oct | 3 | 4 |
| Oktoberfestpreis | 2025 | 04 Oct | 05 Oct | 4 | 9 |
| Open Regatta including Fireball + 505 | 2025 | 26 Sep | 27 Sep | 4 | 14 |
| Skiff Regatta | 2025 | 26 Sep | 28 Sep | 6 | 16 |