6 Sjöar is a unique, environmentally conscious trail running event held each August at Fjällnora, just outside Uppsala, Sweden. The race offers four scenic distances: 5.5 km (1 lake), 10.5 km (2 lakes), a half marathon of 21 km (4 lakes), and a full marathon of 42 km, which loops around all six lakes in the region. Runners enjoy peaceful forest paths, gravel trails, and lakeside views, with minimal asphalt and gently rolling terrain. The event emphasizes sustainability—no single-use plastic is allowed, and runners are encouraged to bring reusable cups or bottles. With a supportive, nature-loving atmosphere and distances for all experience levels, 6 Sjöar is both a celebration of endurance and a tribute to Sweden’s natural beauty.
Race
Marathon
Race Date:
16 August, 2025
The 6 Sjöar Marathon is a scenic 42 km trail race held annually in mid‑August at Fjällnora, just outside Uppsala, Sweden, looping around all six nearby lakes on a mix of gravel roads, forest tracks, and brief asphalt sections. The course features gentle hills, well‑stocked aid stations, a steam‑train crossing, and finishes with an optional celebratory swim in one of the lakes.
Weather based on historical averages.
FAQs
What is the 6 Sjöar Marathon?
How long is the 6 Sjöar Marathon?
Where does the 6 Sjöar Marathon take place?
What is the elevation gain of the 6 Sjöar Marathon?
How can I prepare for the 6 Sjöar Marathon?
How do I choose the right training plan for the 6 Sjöar Marathon?
The 6 Sjöar Marathon is a scenic 42 km trail race held annually in mid‑August at Fjällnora, just outside Uppsala, Sweden, looping around all six nearby lakes on a mix of gravel roads, forest tracks, and brief asphalt sections. The course features gentle hills, well‑stocked aid stations, a steam‑train crossing, and finishes with an optional celebratory swim in one of the lakes.
The 6 Sjöar Marathon is 42km long.
The 6 Sjöar Marathon takes place in Fjällnora, Uppsala, Sweden.
The 6 Sjöar Marathon elevation gain is 449 metres, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the 6 Sjöar Marathon?
The 6 Sjöar Marathon is a scenic 42 km trail race held annually in mid‑August at Fjällnora, just outside Uppsala, Sweden, looping around all six nearby lakes on a mix of gravel roads, forest tracks, and brief asphalt sections. The course features gentle hills, well‑stocked aid stations, a steam‑train crossing, and finishes with an optional celebratory swim in one of the lakes.
How long is the 6 Sjöar Marathon?
The 6 Sjöar Marathon is 42km long.
Where does the 6 Sjöar Marathon take place?
The 6 Sjöar Marathon takes place in Fjällnora, Uppsala, Sweden.
What is the elevation gain of the 6 Sjöar Marathon?
The 6 Sjöar Marathon elevation gain is 449 metres, which Runna classifies as a Moderate race.
How can I prepare for the 6 Sjöar Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the 6 Sjöar Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Nature
Kid friendly
Park
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by 6 Sjöar or 6 Sjöar. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the 6 Sjöar website.
