| 24 Jan 2021 | Littleton Late Winter Series at Littleton (Monohull dinghies with PY between 1002 and 1330) | |
| 31 Jan 2021 | Littleton Late Winter Series at Littleton (Monohull dinghies with PY between 1002 and 1330) | |
| 31 Jan 2021 | Snowflake at Chichester (Monohull dinghies) | |
| 14 Feb 2021 | Snowflake at Chichester (Monohull dinghies) | |
| 14 Feb 2021 | Littleton Late Winter Series at Littleton (Monohull dinghies with PY between 1002 and 1330) | |
| 21 Feb 2021 | Littleton Late Winter Series at Littleton (Monohull dinghies with PY between 1002 and 1330) | |
| 21 Feb 2021 | Starcross Steamer at Starcross (Monohull dinghies) | |
| 22 Feb 2021 | RORC Caribbean 600 at Royal Ocean Racing Club (IRC yachts with TCC of 1.004 and above plus Class40 & Multihulls) | |
| 28 Feb 2021 | Littleton Late Winter Series at Littleton (Monohull dinghies with PY between 1002 and 1330) | |
| 28 Feb 2021 | Snowflake at Chichester (Monohull dinghies) | |
| 5-8 Mar 2021 | Australian National Championship at Largs Bay, Adelaide (RS Aero) | |
| 7 Mar 2021 | Channel Chop at Portishead Yacht & (Monohull dinghies) | |
| 7 Mar 2021 | Littleton Late Winter Series at Littleton (Monohull dinghies with PY between 1002 and 1330) | |
| 14 Mar 2021 | Littleton Late Winter Series at Littleton (Open to everyone) | |
| 14 Mar 2021 | Snowflake at Chichester (Monohull dinghies) | |
| 20 Mar 2021 | One Sails GBR South Lonely Tower Race at Junior Offshore Group (Small IRC yachts) | |
| 20 Mar 2021 | Open Meeting at Burghfield (RS Aero) | |
| 21 Mar 2021 | Littleton Late Winter Series at Littleton (Monohull dinghies with PY between 1002 and 1330) | |
| 28 Mar 2021 | Littleton Late Winter Series at Littleton (Monohull dinghies with PY between 1002 and 1330) | |
| 2 Apr 2021 | NJO Sails Sovereign Race at Junior Offshore Group (Small IRC yachts) | |
| 2-4 Apr 2021 | RORC Easter Challenge at Royal Ocean Racing Club (IRC) | |
| 10 Apr 2021 | Open Meeting at Broadwater (RS Aero) | |
| 16-18 Apr 2021 | UK Youth Championship & Coaching at Royal Torbay (RS Aero) | |
| 17-25 Apr 2021 | Warsash Spring Championships at Warsash (Open to everyone) | |
| 24 Apr 2021 | Open Meeting at Island Barn Reservoir (RS Aero) | |
| 1-2 May 2021 | UK Northern Championship at Yorkshire Dales (RS Aero) | |
| 1 May 2021 | Cervantes Trophy Race at Royal Ocean Racing Club (IRC, Class 40 & Multihull) | |
| 1 May 2021 | Exposure Lights Race at Junior Offshore Group (Small IRC yachts) | |
| 7-9 May 2021 | UK Southwestern Championship at POSH at Paignton (RS Aero) | |
| 14 May 2021 | North Sea Race at Royal Ocean Racing Club (IRC and ORC plus Class 40 and MOCRA) | |
| 15 May 2021 | Highfield Honda Cowes - Yarmouth at Junior Offshore Group (Small IRC yachts) | |
| 15 May 2021 | Open Meeting at Lymington Town (RS Aero) | |
| 16 May 2021 | Open Meeting at Scammonden Water (RS Aero) | |
| 21-23 May 2021 | Lago Maggiore International Regatta, Italy at UVV Maccagno, Lago Maggiore, Italy (RS Aero) | |
| 21-23 May 2021 | Vice Admiral's Cup at Royal Ocean Racing Club (Various one design keelboat classes) | |
| 29 May 2021 | Myth of Malham Race at Royal Ocean Racing Club (IRC, Class 40 & Multihull) | |
| 29-30 May 2021 | UK Southern Championship at Weymouth & Portland Sailing Academy (RS Aero) | |
| 3-6 Jun 2021 | North American Championships at Bay Waveland, Bay St Louis, Mississippi, USA (RS Aero) | |
| 3-6 Jun 2021 | Gul National Championship at Restronguet (Mirror) | |
| 5 Jun 2021 | Cowes - Weymouth at Junior Offshore Group (Small IRC yachts) | |
| 5-6 Jun 2021 | Scottish Championship at East Lothian (RS Aero) | |
| 11 Jun 2021 | Morgan Cup at Royal Ocean Racing Club (IRC, Class 40 & Multihull) | |
| 18-20 Jun 2021 | National Championship at Royal Ocean Racing Club (IRC and Fast 40) | |
| 18 Jun 2021 | Osmotech Great West Race at Junior Offshore Group (Small IRC yachts) | |
| 19-20 Jun 2021 | Solent Forts Race at Hayling Ferry (Multihulls) | |
| 19 Jun 2021 | UK Midlands Championship at Chelmarsh (RS Aero) | |
| 20 Jun 2021 | Open Meeting at Lee-on-the-Solent (RS Aero) | |
| 26 Jun 2021 | De Guingand Bowl at Royal Ocean Racing Club (IRC, Class 40 & MOCRA) | |
| 9 Jul 2021 | Cowes-Dinard-St Malo Race at Royal Ocean Racing Club (IRC, Class 40 & Multihull) | |
| 10 Jul 2021 | UK River Championship at Nottingham (RS Aero) | |
| 17-18 Jul 2021 | Open Meeting at Warsash (RS Aero) | |
| 19-24 Jul 2021 | Half Ton Classics Cup at Royal Ocean Racing Club (Half Tonner) | |
| 24 Jul 2021 | Channel Race at Royal Ocean Racing Club (IRC, Class 40 & Multihull) | |
| 24-29 Jul 2021 | Youth World Championship, Germany at Travemunde Woche, Germany (RS Aero) | |
| 25-27 Jul 2021 | German National Championship at Travemunde Woche, Germany (RS Aero) | |
| 31 Jul - 6 Aug 2021 | World Championship, Italy at Fraglia Vela Malcesine, Lake Garda, ITAL (RS Aero) | |
| 8 Aug 2021 | Rolex Fastnet Race at Royal Ocean Racing Club (IRC, IMOCA, MOCRA, Class40, Figaro 3, Ultimes) | |
| 18-22 Aug 2021 | UK National Championship & International Open at Hayling Island (RS Aero) | |
| 28-29 Aug 2021 | Swedish National Championship at Loftahammar (LBS), Sweden (RS Aero) | |
| 4-5 Sep 2021 | UK Eastern Championship at Brightlingsea (RS Aero) | |
| 4 Sep 2021 | Open Meeting at Leigh & Lowton (RS Aero) | |
| 10-12 Sep 2021 | Italian National Championship at Circolo Vela Arco, Garda, Italy (RS Aero) | |
| 10-12 Sep 2021 | RS Aerocup : Germany at Segler Club Dummer, Germany (RS Aero) | |
| 10 Sep 2021 | Castle Rock Race at Royal Ocean Racing Club (IRC, Class 40 & Multihull) | |
| 25 Sep 2021 | Open Meeting at Burton (RS Aero) | |
| 2-3 Oct 2021 | Open Meeting at Salcombe (RS Aero) | |
| 16-17 Oct 2021 | UK Inland Championship at Draycote Water (RS Aero) | |
