OpenSwim was the official training partner of the TrygFonden Copenhagen Swim event.

OpenSwim: the training app trusted by nearly 110,000 swimmers, and the open water events that bring your training to life — in lakes, rivers, and oceans. 🏊 EVENTS 🏊
Since 2015, we've organised Open Swim Harmonie Mutuelle races in natural sites across France and Switzerland — 8 races on the calendar in 2026 alone. It all started with a bold idea in 2012: reviving the legendary "Traversée de Paris à la nage," a dream we finally made real this year with an 8.5km swim through the heart of Paris. 📲 TRAINING APP 📲
We're the creators of the OpenSwim app, trusted by nearly 110,000 swimmers globally — with 1,000+ expert workouts for all levels and goals, personalised training plans, and in-depth stats and performance tracking by connecting to your favorite sports watch. Official training app of the French Swimming Federation, the Danish Swimming Federation, and already 20 swimming events in Europe. 💙 Train. Connect. Race. Welcome to the OpenSwim community.