The ultimate extreme marathon swimming challenge covering 34-36km. Swimmers are accompanied by a support boat that adapts to their pace. Relay version available for two swimmers. Limited start places.
Sun, Jun 14, 2026
6 km from Klagenfurt Am WörtherseeTriathlon
Fri, Sep 04, 2026
The largest open water swimming adventure in the Alpine region featuring multiple race distances from 600m to 34km. A world-class event combining competitive swimming at the highest level with the natural beauty of Lake Wörthersee in Austria.
Open Water Swim
Fri, Sep 04, 2026 at 4:00 PM
Challenge for ambitious open water swimmers covering 1000m in butterfly stroke. Exceptional and difficult distance requiring swimmers to master both the stroke and water navigation.
Open Water Swim
Fri, Sep 04, 2026 at 3:00 PM
Sprint distance for all swimmers to prove their strength in open water swimming. Circular route with buoy markers starting at Strandbad Maiernigg.
Open Water Sprint Swim
Fri, Sep 04, 2026 at 4:30 PM
Team relay where teamwork and fun are paramount in covering 3000m total distance. First two swimmers exchange in start area, only last swimmer crosses finish line.
Open Water Relay Swim
Swim
Klagenfurt, Kärnten, 9020, Austria