What is Swim4Lémanhope?
Swim4Lémanhopeis a sports and charity event organized by theLéman Hope Foundationsince 2022. Through a group swimming challenge, its mission is to raise funds to financeSailing Trips for children and teenagers in remission from cancer.
Every year, Swim4Lémanhope brings together 50 companies for a uniqueteam-building experiencewith a strong human touch, held at two iconic locations in Switzerland:
- Lake Geneva, in French-speaking Switzerland on June 23, 24, 25 and 26, 2026
- Lake Zurich in German-speaking Switzerland on June 17, 2026
Lake Geneva - The challenge


Zurich - The challenge


A meaningful challenge
Swim4Lémanhope is more than just a sporting performance, it's a human adventure: a time for surpassing oneself, solidarity and commitment. Every fathom counts - for the participants, but above all for the young beneficiaries.
Thanks to the funds raised, teenagers who have overcome the disease can set sail on aSailing Trip Hope: five days aboard a sailboat to rebuild their confidence, independence, and hope in a caring and inspiring environment.
How do I get started on this adventure?
Joining theSwim4Lémanhope adventure means taking part in an inclusive, charity-driven athletic challenge to benefit children in remission from cancer.
1. Choose your group challenge
The crossing of Lake Geneva is divided into several 8-10 km relays.
Your company can choose to adopt one or more, depending on its level of involvement and its goal of contributing to the funding of theSailing Trips HopeSailing Trips .
Each participating team sponsors a Sailing Trip a child.
2. Build your swimming teams
Form teams of4 to 9 swimmers per relay. Each company may enter one or more teams, depending on its capacity and commitment to supporting the cause.
In a relay race, each swimmer chooses the distance they want to swim:200m, 500m, 1km, or more.
Everyone participates at their own pace, according to their level.
3. Get involved with Léman Hope
In addition to the support provided byparticipation fees, most companies choose to create a fundraising page on our platform.
Each company commits to funding at least one Sailing Trip for a child from Léman Hope.
It’s a way to amplify their impact bysharing their challenge, engaging their network, and giving their commitment even greater visibility.
Participant Guide
Once your team is registered, check out the participant guide for all the details and to get ready for your Swim4Lémanhope challenge.