ÖTILLÖ Swimrun Engadin 2026: Conquer the Elements

A World-Class Swimrun in the Heart of the Swiss Alps

The ÖTILLÖ Swimrun Engadin is one of the most spectacular endurance events in Europe, bringing together athletes from around the world to race through the stunning alpine landscape of the Upper Engadin. Born from the legendary ÖTILLÖ series that originated in the Swedish archipelago, this event challenges teams of two to alternate between open-water swimming and trail running across the dramatic terrain surrounding the Engadin lakes. For those seeking to experience the ÖTILLÖ Swimrun Engadin: conquer elements of water, rock, and mountain in one of the most beautiful settings imaginable.

Dates for the 2026 edition are to be confirmed, with the event typically taking place during the summer months when the Engadin lakes and alpine trails are at their most accessible. Athletes and spectators should check the official ÖTILLÖ race calendar for confirmed scheduling and registration details.

What Makes This Event Extraordinary

The ÖTILLÖ Swimrun format is unlike any other endurance discipline. Teams of two must stay together throughout the entire race, navigating transitions between swimming and running without the aid of transition zones. Participants wear their running shoes while swimming and carry all gear with them from start to finish. This creates a raw, elemental challenge that strips away the comforts of traditional multisport racing.

In the Engadin, this format takes on a special dimension. The race route weaves through the chain of crystal-clear alpine lakes that define the Upper Engadin valley, including stretches in and around Lake Sils and Lake Silvaplana. Between swims, runners tackle trails that climb through forests, cross alpine meadows, and traverse rocky terrain with panoramic views of the surrounding peaks. The combination of high-altitude effort, cold open-water swims, and technical trail running makes this one of the most demanding events in the ÖTILLÖ World Series.

Race Format and What to Expect

The event typically features multiple race categories to accommodate different experience levels

• Engadin Experience 1,4 km swimming, 5,7 km running
• Engadin Sprint: 2,2 km swimming, 12,9 km Running
• Engadin World Series: 5,85 km swimming, 36,85 km running

Each category follows the core swimrun principles. Teams must complete every segment together, with a maximum separation distance enforced between partners. The cold alpine lake waters, sitting at an elevation of around 1,800 meters, add a physiological challenge that distinguishes this race from lower-altitude swimrun events. Water temperatures can be bracing even in summer, and the reduced oxygen at altitude makes every effort feel harder.

The Course and Its Highlights

The Engadin valley provides a natural amphitheater for this event. Runners pass through some of the most iconic scenery in the Swiss Alps, with the run segments following trails that connect the lakeside villages of the Upper Engadin. The swim segments take athletes directly through the pristine waters that have made this region famous.

The atmosphere on race day is electric, with the compact geography of the valley allowing spectators to follow the action at multiple points along the course.

Getting There from Hotel Schweizerhof

Hotel Schweizerhof, Sils Maria is ideally positioned for the ÖTILLÖ Swimrun Engadin, sitting right in the heart of the race landscape. The hotel is located in Sils Maria, directly alongside Lake Sils, which features prominently in the course. Athletes can reach the start and finish areas easily, as the race infrastructure is set up within the Upper Engadin valley, just minutes from the hotel by car or public transport. The Engadin Bus network connects Sils Maria to neighboring villages along the race route, making it simple to access different spectator points or race logistics areas.

For those arriving from further afield, Sils Maria is accessible via the Julier Pass from Chur or through the Maloja Pass from Italy. The nearest train station in St. Moritz is approximately 12 kilometers away, with regular bus connections to Sils Maria.

Your Race Basecamp at Hotel Schweizerhof

Hotel Schweizerhof, Sils Maria offers everything an endurance athlete needs before and after tackling the ÖTILLÖ Swimrun Engadin. As a certified Swiss Running Hotel, the hotel understands the demands of athletic guests. Early breakfasts ensure you are fueled and ready for an early race start. Sportswear laundry service and secure gear storage take the hassle out of race logistics.

The trails surrounding the hotel also serve as perfect pre-race training ground. Shake out your legs on the lakeside paths, test your swimming in Lake Sils, or explore the car-free Fex Valley for a final confidence-building run before race day. With the Engadin landscape as your training partner and Hotel Schweizerhof as your home base, you will arrive at the start line rested, prepared, and ready to conquer the elements.

‍

‍

Photo Copyright ÖTILLÖ Swimrun Engadin 2026