14-15 miles
JERSEY TO FRANCE
Please revisit this page after September 2026 to find out how I got on. 🙏
ABOUT THE SWIM
The Jersey to France (J2F) swim is a challenging, roughly 15-18 nautical mile (28-33km) open-water channel crossing, often used as a stepping stone to the English Channel. Organised by the Jersey Long Distance Swimming Club and independent pilots. It typically takes 7.5 to 10 hours, starting from Jersey's northeast coast and finishing in Normandy.
Key Aspects of the Swim
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Route: Starts at La Coupe Point (or Fliquet Bay) in Jersey and ends on the beaches of Saint-Germain-sur-Ay or Carteret, France.
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Conditions: The swim is subject to strong tides, often requiring a 'snaking' track rather than a straight line. It is considered a major mental and physical challenge, with water temperatures requiring significant cold-water acclimatisation.
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Qualifications: Similar to the English Channel, swimmers often need to complete a 6-hour qualifying swim in water 16°C or less.
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Logistics: The swim is often done with boat support, such as Lionheart Pilotage, which has guided over 100 successful swims.
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Relays: It can also be completed in teams of 2-6 people, with hourly rotations.
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The Final Approach: The final approach can feel deceptively long, with tidal movement sometimes pushing the swimmer sideways along the coast before landing is possible.
History and Records
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First Swim: The first successful crossing was achieved by Denize Le Pennec in 1966.
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Fastest/Slowest: Times range from just over 7 hours to nearly 27 hours.
In Summary
For many marathon swimmers, the Jersey-to-France swim sits in a sweet spot:
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Shorter than the English Channel.
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Still fully tide-dependent and navigationally complex.
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Requires the same steady pacing, feeding discipline, and mental resilience you’re already building in training.
The J2F swim often described as a beautiful but tactical swim — one where patience and rhythm matter just as much as endurance. It's known for its beauty, featuring night swimming with the potential for phosphorescence, but also brings challenges like navigation, strong currents, and potential seasickness.