NUTS Karhunkierros 2026

NUTS Karhunkierros 2026 is one of Finland’s most iconic trail running events, held in Kuusamo and the rugged terrain of Oulanka National Park. Offering distances from 13 km up to the extreme 166 km ultra-marathon, runners experience technical forest trails, suspension bridges, and scenic arctic wilderness under the midnight sun.

🇫🇮 Finland  |  📍 Location: Kuusamo (Ruka)  |  📅 May 22–23, 2026
📊 UTMB Index: 100M (166K), 50K (55K), 20K (34K)  |  🌡️ Weather: Cold (Avg 1.3°C – 14.8°C)
🔄 Loop (166K, 13K) / ➡️ Point-to-Point (83K, 55K, 34K)

🎥 Race Videos

🗺 Course & Weather Specifications

🚩 Start Location & Type 166K: Ruka (Loop) | May 22, 08:00
83K: Napapiiri in Hautajärvi (Point-to-Point) | May 22, 22:00
55K: Oulanka Visitor Centre (Point-to-Point) | May 22, 18:00
34K: Juuma (Point-to-Point) | May 23, 10:00
13 km: Ruka (Loop) | May 23, 16:00
🌲 Terrain Type Forest Trail / Gravel / Asphalt
📉 Avg Gradient & Gain 166K: 2.21% / +3,752 m (-3,752 m) | 169.62 km
83K: 2.16% / +1,790 m (-1,671 m) | 83.04 km
55K: 2.68% / +1,494 m (-1,300 m) | 55.78 km
34K: 3.22% / +1,167 m (-1,038 m) | 34.03 km
13 km: 3.18% / +447 m (-447 m) | 14.04 km
🏔️ Altitude Range 166K / 83K / 55K: Min: 143 m / Max: 492 m
34K: Min: 175 m / Max: 492 m
13 km: Min: 298 m / Max: 490 m
🍌 Aid Stations & Limits 166K: 7 stations | Time Limit: 36 hrs
83K: 3 stations | Time Limit: 18 hrs
55K: 2 stations | Time Limit: 14 hrs
34K: 2 stations | Time Limit: 10 hrs
13 km: 0 stations | Time Limit: 8 hrs
🌤️ Monthly Weather (May) Overview: Cold
Avg Temp: Min 1.3°C / Max 14.8°C
Summit Temp: Min -2.0°C / Max 11.5°C
*Monthly regional average

🎖️ Points & Qualifications

🏔️ UTMB Index 166K: 100M | 55K: 50K | 34K: 20K | 83K / 13 km: N/A
📊 ITRA Points & Mountain Level 166K: 5 Points / Mountain Level 2
83K: 3 Points / Mountain Level 2
55K: 2 Points / Mountain Level 3
34K: 2 Points / Mountain Level 3
13 km: 0 Points / Mountain Level 3
📈 ITRA Finisher Level 166K: 460 | 83K: 10 | 55K: 10 | 34K: 10 | 13 km: 10
🇫🇮 National League Yes (All Distances)

🛡️ Rules & Support

🏃 Pacers & Support

Pacers: N/A
Crew Support: N/A
Poles: Allowed
 🎒 Drop Bags & Gear

Drop Bags:
• 166K: Oulanka, Hautajärvi
• 83K: Start/Finish and Oulanka
• 55K / 34K: Start/Finish Only
• 13 km: No
Mandatory Gear Level: Standard (166K, 83K, 55K, 34K) / Basic (13 km)

🚉 Logistics, Registration & Facilities

🚿 Venue Facilities Showers: N/A| Changing Rooms: N/A | Toilets: N/A
💰 Entry Fee 166K: 213.90 – 264.90 EURO
83K: 173.90 – 224.90 EURO
55K: 150.90 – 196.90 EURO
34K: 122.90 – 162.90 EURO
13 km: 65.90 – 86.90 EURO
📝 Registration & Lottery Opening: October | Lottery Required: No
✈️ Nearest Airport Kuusamo Airport (KAO)
🚆 Transport Options Bus from Kuusamo Airport (40 min)
🏨 Accommodation
🟢 Easy (Hotels in Ruka)

📊 Historical Statistics – 166K (2026)

Category Starters Finishers Finish Rate DNFs DNF Rate Winning Time
Overall Total 353 172 48.73% 181 51.27% 17:09:11
♂ Male 289 145 50.17% 144 49.83% 17:09:11
♀ Female 64 27 42.19% 37 57.81% 1:03:20

📊 Historical Statistics – 83K (2026)

Category Starters Finishers Finish Rate DNFs DNF Rate Winning Time
Overall Total 805 662 82.24% 143 17.76% 8:02:52
♂ Male 605 516 85.29% 89 14.71% 8:02:52
♀ Female 214 160 74.77% 54 25.23% 9:40:45

📊 Historical Statistics – 55K (2026)

Category Starters Finishers Finish Rate DNFs DNF Rate Winning Time
Overall Total 988 879 88.97% 109 11.03% 5:01:26
♂ Male 568 510 89.79% 58 10.21% 5:01:26
♀ Female 420 369 87.86% 51 12.14% 5:57:22

📊 Historical Statistics – 34K (2026)

Category Starters Finishers Finish Rate DNFs DNF Rate Winning Time
Overall Total 1,328 1,283 96.61% 45 3.39% 3:12:50
♂ Male 574 557 97.04% 17 2.96% 3:12:50
♀ Female 754 726 96.29% 28 3.71% 3:34:54

📊 Historical Statistics – 13 km (2026)

Category Starters Finishers Finish Rate DNFs DNF Rate Winning Time
Overall Total 371 370 99.73% 1 0.27% 0:56:41
♂ Male 120 120 100.00% 0 0.00% 0:56:41
♀ Female 251 250 99.60% 1 0.40% 0:59:17
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