Distances: 43 km, 22 km and 10 km. More info regarding the 10 km to come.
Location: Nävekvarns IP, Nävekvarn
Date: 7th February 2026
Registration: Opens October 1st
Start Times: 43 km 09:00, 22 km 10:00 and 10 km 11:00
Cut-Off Time: 10 hours for 43 km, 6 hours for 22 km.
Timing & Results: Chip timing for all participants.
Parking & Transport: Parking is available at the start/finish area
The 43 km runners will complete one lap of the Tunabergsrundan loop, while the 22 km participants will complete a shortened section of the course. The course features varied terrain, from forest paths to rolling hills and beautiful costal trails, giving you a real taste of winter trail running.
Get your race number at the start area, Nävekvarns IP, Nävekvarn
There is parking available at NGIF for 20kr per car.
We’re proud to offer locally sourced food at our aid stations and finish line.
22 km:
5,5 km Kungstorp
12 km Gruvans gröna
18 km Sjöskogen
43 km:
5,5 km Kungstorp
12 km Gruvans gröna
21 km Mellsjön
29 km Kovik
37 km Sjöskogen
Post-race food:
All Runners will be served hot food and alcohol-free Mineral Brewing Recovery lager at the finish area at Nävekvarns IP.
Spectators and supporters will be able to purchase food and drinks at after race in the finish arena.
All runners have access to the showers and bathroom facilities at Nävekvarn IP
There is several toilets along the course.
To ensure your safety, all participants must carry the following compulsory kit:
- Fully charged phone (with race director’s number saved)
- Windproof jacket
- Thermal base layer
- Hat and gloves
- Water bottle or hydration pack (min 1L capacity)
- Emergency whistle
- Trail running shoes with good grip
- Survival blanket
- Headlamp, if you think you'll be out after dark (16:30). Please take into consideration that the course can take 50-75% longer than the road equivalent)
Bad Weather Kit:
In case of poor weather conditions, an additional bad weather kit will be required:
- Light down jacket
- Waterproof trousers
- Spare thermal top & leggings
- Extra pair of warm gloves and socks
- Trail shoes with spikes or an extra traction aid
The need for this will be confirmed in the race PM which will be sent out 7 days before race day.
- The most beautiful and fun experience this winter
- Hand made, wooden finishers medal
- Electronic chip timing
- Aid stations with hot food and hot drinks along the course
- Race bib
- Sörmlands 100 Buff
- Hot food and cold beers at the finish
- Sauna, shower and changing facilities at NGIK after the finish
Marinans Guesthouse
The closest and has several different options.
To book, send an email to info@marinansguesthouse.se
Lindeborgs Eco Retreat
30 minutes from Nävekvarn, provides climate-positive accommodations with a sauna, yoga space, and natural swimming pond. Prices from SEK 1990.
Registration and Payment Terms
Your registration is binding and will not be refunded, you also agree that your name, start number, age, photos from the race, start time and finish time are published on the internet and possibly other social media platforms. Please note that participation is at your own risk.
Försäkringen Startklar och Startklar Plus
Om du blir sjuk, skadad eller gravid och inte kan delta i loppet kan du som tecknar försäkringen Startklar (155 kr/år) eller Startklar Plus (275 kr/år) få anmälningsavgiften tillbaka. I båda försäkringarna ingår även en olycksfallsförsäkring under resan till/från och under själva loppet. I Startklar Plus gäller också olycksfallsförsäkringen varje gång du tränar under hela året. Försäkringarna är giltiga för alla dina motions- och tävlingsarrangemang i Sverige under försäkringsperioden som är 1 år från och med betaldagen. Läs mer på www.startklar.nu
Namn-, klassbyte eller återbud
Kostnad för namnändring 150kr och är möjligt fram till 8 dagar innan loppet.
As always, participation is at your own risk. Given that this race takes place in the heart of winter, the demands on you as a participant are even higher. It is crucial that you are confident in your ability to face the challenges of a race like this. Ensure you bring the necessary energy and resources for a winter event of this nature, and follow all rules, including having the required equipment. As the event organizers, we do not take responsibility for any personal injuries or damage to equipment.

Race Details:

Race number collection

Aid Stations & Local Food:

Shower & toilets

Compulsory Kit:

What's included:

Accomodation:

Small print:

Participation at Your Own Risk