BLDSA Qualifying Swims
Recognised Channel Swimming Association (CSA), the Channel Swimming & Piloting Federation (CS&PF) and Marathon Swimmers Federation (MSF) qualifying swims are an essential step for many major marathon events. We provide full safety cover, temperature, photo and video verification, official observation, and practical coaching support throughout.
The Essential Gateway
Before standing on the shores of Dover or any major start line, you must prove readiness through a regulated qualifying swim — designed to ensure both safety and competence.
The regulatory standard
• Temperature verification — typically 6 hours at 16°C or below
• Channel rules — standard costume only, no wetsuits or neoprene
• Mental resilience — loops and circuits test focus as much as fitness
Comprehensive validation
• Independent observers and official paperwork
• GPS-verified distances and temperature logs
• Real-time feedback on pacing, feeds and technique
Is your season planned?
• Can you taper and recover from a 6-hour cold swim?
• Do you know which governing body requires your sign-off?
• Are you mentally prepared to embrace the cold?


Bassenthwaite Lake
Almost 3 miles long, this stunning glacial water will take your breath away. A full crossing of Bassenthwaite is about maintaining rhythm and discipline while navigating wind, surface movement and sustained distance in open freshwater.

Wastwater
This 2.8 mile swim across England’s deepest lake is short on distance but high on intensity. A full crossing of Wast Water is about cold tolerance, mental focus and swimming in a powerful, enclosed landscape where conditions can change quickly and silence dominates the water.

Buttermere
The quintessential Lake District swim. Choose your distance in the pristine waters of Buttermere, surrounded by a breathtaking amphitheatre of mountains.

Crummock Water
A hidden gem of the Lake District. Crummock Water offers a 2.5-mile wild swimming experience through some of the most dramatic scenery in the UK.

Coniston Water
Follow in the wake of history. Coniston Water’s 5.25-mile crossing is a fast, flat, and historic swim perfect for those targeting their first "long" lake.
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Ullswater
Often cited as England's most beautiful lake, Ullswater offers a 12km Alpine lake swim that tests your ability to navigate changing wind directions.

Annecy
Swim through the cleanest water in Europe. Lake Annecy offers an 8.5-mile alpine crossing with stunning visibility and a breathtaking mountain backdrop.

Loch Lomond
This 22.4 mile iconic loch offers a formidable test of endurance — cold, expansive and beautifully remote. A full-length crossing of Loch Lomond is not simply about distance; it is about navigating scale, conditions and complexity across one of Britain’s most iconic freshwater landscapes.

Loch Ness
Big, bold and iconic — 23 miles of cold, deep water in the Scottish Highlands.

English Channel
We support both 21 mile solo and relay swimmers from first enquiry to landing in France — including qualifying swims, tide and pilot guidance, and full-season training plans. Each crossing is documented so your story becomes part of Channel history.

Loch Awe
A 25-mile (41km) classic — swimming past islands and ruined castles in a loch that is both beautiful and demanding.

Windermere One-Way
10.5-mile freshwater challenge through the heart of the Lake District. For many swimmers, this is the defining English marathon — a major but accessible UK swim that carries history, prestige and genuine endurance credibility.
Big ideas? Not sure where to start? Book a free kick-start call with Karen
If you’ve got an idea, a dream route, or just a feeling that you’d like to do something extraordinary, Karen can help you shape it into a realistic, safe and achievable plan. On the call, you’ll cover expectations, what’s realistic, and the likely steps needed to get there.
