TEC 2026

TEC (Tyresö Extreme Challenge) 2026 is one of Sweden’s most iconic ultra-marathon events held in Tyresö (Alby), just outside Stockholm. Featuring a challenging loop course through forest trails and singletracks, runners can tackle distances ranging from the 46 km MiniUltra up to the demanding 50 miles and 100 miles races. The 100-mile distance is also part of the Swedish 100 Miles Challenge (running four classic Swedish 100-mile races within 12 months, one in each season).

🇸🇪 Sweden  |  📍 Location: Tyresö (Alby)  |  📅 April 18–19, 2026
📊 ITRA Points: 4 Points (100 miles), 2 Points (50 miles), 1 Point (MiniUltra)
🌡️ Weather: Cold (Avg 2.4°C – 7.4°C)
🔄 Loop

🗺️ Course & Weather Specifications

🚩 Start Location & Type 100 miles: Alby, Tyresö (Loop) | April 18, 10:00
50 miles: Alby, Tyresö (Loop) | April 18, 10:00
MiniUltra (46k): Alby, Tyresö (Loop) | April 19, 08:00
🌲 Terrain Type Forest Trail / Singletrack
📉 Avg Gradient & Gain 100 miles: 2.48% / +3,990 m (-3,990 m) | 161 km
50 miles: 2.48% / +1,995 m (-1,995 m) | 80.5 km
MiniUltra: 2.48% / +1,140 m (-1,140 m) | 46 km
🏔️ Altitude Range All Distances: Min: 18 m / Max: 76 m
🍌 Aid Stations & Limits 100 miles: 1 station (14 passes) | Time Limit: 30 hrs
50 miles: 1 station (7 passes) | Time Limit: 30 hrs
MiniUltra: 1 station (3 passes) | Time Limit: 8 hrs
📍 GPX File Availability Not Available
🌤️ Monthly Weather (April) Overview: Cold
Avg Temp: Min 2.4°C / Max 7.4°C
Summit Temp: Min 2.4°C / Max 7.4°C
*Monthly regional average

🎖️ Points & Qualifications

🏔️ UTMB Index N/A
📊 ITRA Points & Mountain Level 100 miles: 4 Points / Mountain Level 1
50 miles: 2 Points / Mountain Level 1
MiniUltra: 1 Point / Mountain Level 1
📈 ITRA Finisher Level 100 miles: 510 | 50 miles: 200 | MiniUltra: 370
🇸🇪 National League Yes

🛡️ Rules & Support

🏃 Pacers & Support

Pacers:
• 100 miles: Yes (From 100km / After 20:00)
• 50 miles: Yes (After 20:00)
• MiniUltra: No
Crew Support: N/A
Poles: Allowed (Yes for all distances)
 🎒 Drop Bags & Gear

Drop Bags: Yes (Main Aid for all distances)
Mandatory Gear Level: Basic (All Categories)

🚉 Logistics, Registration & Facilities

🚿 Venue Facilities Showers: No | Changing Rooms: No | Toilets: Yes
💰 Entry Fee 100 miles: 1300 SEK
50 miles: 900 SEK
MiniUltra: 700 SEK
📝 Registration & Lottery Opening: N/A | Lottery Required: No
✈️ Nearest Airport Stockholm Arlanda (ARN) / Stockholm Bromma (BMA)
🚆 Transport Options Public Transport (Metro + Bus from Stockholm Central)
🏨 Accommodation
🟡 Moderate to find (Alby)
Note: Accommodations in Alby are extremely limited. It is recommended to search in nearby towns (Strömslund, 10 mins drive).
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📊 Historical Statistics (2026)

Race Category Starters Finishers Finish Rate DNFs DNF Rate Winning Time
TEC 100 miles 48 28 58.33% 20 41.67% 17:39:36
TEC 50 miles 41 28 68.29% 13 31.71% 8:12:04
TEC MiniUltra (46k) 19 18 94.74% 1 5.26% 4:37:11

📖 Related Race Guides

📊 Race Data & Results

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