The 2026 Openswim Harmonie Mutuelle Event Calendar

The Open Water Circuit in France The 12th edition of the OpenSwim Harmonie Mutuelle is officially underway! Conceived in 2012, OpenSwim Harmonie Mutuelle was created by former swimming champions Stephan Caron, Harald Eltvedt, and Laurent Neuville, alongside Sophie Reinauld, all deeply passionate about building an adventure around the core values of sport and environmental preservation. […]
Fourteen-Time Vansbro Finisher on Cold Water, Mental Grit, and the 10K Mistake That Still Makes People Laugh

As the official training partner of Vansbrosimningen, OpenSwim works with swimmers preparing for one of the world’s most iconic open-water events — from first-time participants to experienced endurance athletes. Jesper Holmberg one of the first users of OpenSwim training app, sits firmly in the second category. He has completed the original Vansbro 3K eight times […]
Kevin Audouy: “We knew it was going to be intense!”

Kevin Audouy: “We knew it was going to be intense!” We sat down with Kevin AUDOUY, a swimmer we know very well here at OpenSwim Harmonie Mutuelle. He has been participating in our events since 2017 and has even been one of our most loyal volunteers. After physical setbacks forced him to abandon his solo […]
10 Tips for Swimming in Open Water

Training in a pool prepares you physiologically and muscularly for open-water events. But races held in natural environments—where conditions can vary dramatically—require swimmers to manage many additional factors that can either limit or amplify the differences between competitors. Some swimmers who excel in the pool may lose part of their advantage against slower athletes who […]
Greatest English Channel crossing records

The English Channel is one of the greatest challenges in open water? Combining physical stamina, mental determination and courage in uncertain waves. Each swimmer, male or female, has his or her own story to tell, and each crossing tells a tale that will go down in the annals of swimming history. Discover the impressive feats […]
6 Open-Water Records Pushing Human Limits

Open water has no boundaries, and these records are a true celebration of human endurance. From the English Channel to the Amazon river, these swimmers have pushed their limits and achieved feats that defy the imagination. Here are six open-water records, six of the most incredible challenges open water has to offer, and a glimpse […]
13 Open Water Swimming Spots In France

In the bleak midwinter, our minds can take us basking in the sun by a warm sea, but it may be more difficult to picture yourself swimming in the cool waters of our “Douce France”. However, you don’t have to go very far to find heavenly places ideal for swimming. Whether you dream of lakes […]
The Oceans Seven: the ultimate openwater challenge

Oceans 7 has nothing to do with Georges and Brad (Clooney and Pitt). The challenge implies swimming across some of the world’s most treacherous and unpredictable waters, enduring freezing temperatures, battling powerful currents, and swimming distances so long they are marathons. Welcome to the Oceans Seven (O7), the open-water challenge that dares even the most […]
10 Tips for getting started in open water

Swimming in open water can be exhilarating, but safety is paramount. Whether you’re enjoying it on or off our Open Swim Stars, here are a few tips to help you enjoy the experience with confidence. Our Advice Assess conditions: Before anything else, check the weather forecast, currents, tides, water temperature and water quality if necessary. […]