Here we go again! Welcome to challenge yourself in
NUTS KARHUNKIERROS
23.–24.5.2025
Step Boldly onto the Trail
What
NUTS Karhunkierros
Finland’s largest trail running event, offering an unforgettable running experience in the stunning landscapes of Oulanka National Park. Various distances: 34 km, 55 km, 83 km, and 166 km. The event is suitable for beginners and experienced ultrarunners alike.
Where
Oulanka National Park
The finish area is located in the heart of Ruka village. The routes traverse the breathtaking scenery of Oulanka National Park, offering diverse and challenging trails.
When
May 23-24, 2025
Registration opens on Tuesday, October 15, 2024, at 6:00 PM! Secure your spot and prepare for the highlight of the summer.
DYNAFIT is the brand by athletes, for athletes. Speed is a part of our DNA, and we are driven by our aspiration to equip mountain endurance athletes from head-to-toe, summer and winter, 365 days a year, with the most efficient gear possible. Intelligent materials, innovative technology, and the courage to follow unconventional paths – these are the keys to our success. Minimalist and efficient, but at the same time totally reliable products, with the result that we support discerning athletes – whether on ski tour, or trail running, mountaineering or biking.
Nosht is NUTS’ Official Energy Partner
Nosht is the official energy partner of NUTS for 2025. At the aid stations along the course, runners will find a familiar and trusted hydration option – lemon-flavored Nosht Sports Drink.
Distances & Routes
166 km
83 km
55 km
34 km
