Devon Man First to Swim All 10 Largest Swiss Lakes 2026

Jake Harrison
Devon Man First to Swim All 10 Largest Swiss Lakes
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Neil Gilson, a former international athlete from Devon, has made history as the first person to swim Switzerland's 10 largest lakes, covering a total of approximately 230 miles (370km). His remarkable achievement showcases the pinnacle of endurance swimming.

The Epic Challenge

Over two summers, Gilson tackled each of the ten largest Swiss lakes, culminating in a 45-mile swim across Lac Léman (Lake Geneva) that took over 22 hours. His journey was not just a physical test but a mental one, as he battled cold waters and exhaustion.


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Training and Preparation

Gilson's preparation included countless hours in a leisure centre pool, the sea off the north Devon coast, and the gym. His rigorous training regime was essential to build the stamina needed for such extreme distances.

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Record-Breaking Feats

In 2024, Gilson set a world record for swimming across Lac Léman in 22 hours and 9 minutes. Not content with that, he expanded his goal to conquer all ten lakes, a feat no one had ever accomplished.

Challenges Along the Way

Gilson admits that a 40-mile swim in Lake Maggiore this summer almost broke him due to colder-than-anticipated water. Such moments tested his resolve, but his family's support kept him going.


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Key Takeaways from Gilson's Achievement

  • Endurance swimming requires immense physical and mental preparation.
  • Setting incremental goals can lead to monumental achievements.
  • Family support plays a crucial role in overcoming challenges.
  • Record-breaking feats often stem from a relentless pursuit of personal excellence.

Comparison of Swiss Lakes Swum

Lake Distance (miles) Time
Lac Léman 45 22 hours
Lake Maggiore 40 Not specified
Other 8 lakes ~145 total Various

FAQ

Who is Neil Gilson?

Neil Gilson is a 40-year-old former international swimmer from Devon, England, who became the first person to swim all 10 largest lakes in Switzerland.

How long did it take to swim all 10 lakes?

Gilson completed the challenge over two summers, with the final swim across Lac Léman taking over 22 hours.

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What was the most difficult part?

Gilson cited the 40-mile swim in Lake Maggiore as nearly breaking him due to colder-than-expected water temperatures.

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Jake Harrison

Author

Jake Harrison

With 20+ years as a wilderness guide and NOLS-certified instructor, Jake specializes in camping, hiking, fishing, and survival skills. He's led expeditions across North America and contributed to Backpacker Magazine. Jake's expert advice focuses on safe, sustainable outdoor adventures for all skill levels.


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