Experience the beauty and diversity of Sweden's Södermanland region during the Sörmlands 100 Trail Run, scheduled for September 11-13, 2026. This trail running weekend offers a unique opportunity to explore some of the country’s most stunning natural landscapes through three distinct race options. The event kicks off on Friday evening with an opening ceremony that sets the stage for an unforgettable adventure in the great outdoors. Participants will have the chance to meet fellow runners, receive essential information about the upcoming races, and get acquainted with local vendors offering trail running gear and accessories. On Saturday morning, runners gather at the starting line for a 30-kilometer race through varied terrain that includes dense forests, rolling hills, and serene lakes. The course is designed to challenge participants while also showcasing the rich biodiversity of Södermanland's natural environment. As you navigate the trails, keep an eye out for local wildlife such as deer and elk, which often make appearances along the route. Sunday features a 60-kilometer race that takes runners on an even deeper dive into the region’s diverse landscapes. This longer distance allows participants to experience more of Södermanland's natural beauty in one go, with breathtaking views at every turn. The trail follows ancient paths and leads through picturesque villages where locals often come out to cheer on the racers. For those seeking a true endurance test, Monday offers a 100-kilometer race that pushes runners over three days of continuous effort. This epic journey not only tests physical limits but also fosters camaraderie among participants as they support each other through varying conditions and terrain types. Throughout the weekend, there are opportunities for non-competitive activities such as guided nature walks led by local experts who share insights into the region's flora and fauna. These excursions provide a perfect complement to the racing schedule, allowing everyone to immerse themselves fully in Södermanland’s unique environment. The Sörmlands 100 Trail Run promises an unforgettable experience for trail runners of all levels looking to explore one of Sweden’s most biodiverse regions. Experience the magic of nature and challenge yourself on some of Europe's finest trails this September.
Races Offered
100 Mile Ultra
Sep 11, 2026
straighten
Distance —
169K
terrain
Type —
Running
timer
12:00
sell
€213.64
8 km Night Trail Run (CANCELLED)
Sep 11, 2026
straighten
Distance —
8K
terrain
Type —
Running
timer
20:30
sell
€0.00
100km Trail Ultra
Sep 12, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
00:00
sell
€186.36
50km Trail Ultra
Sep 12, 2026
straighten
Distance —
50K
terrain
Type —
Running
timer
10:00
sell
€113.64
22km Trail Run
Sep 12, 2026
straighten
Distance —
22K
terrain
Type —
Running
timer
13:00
sell
€86.36
8 km Trail Run
Sep 12, 2026
straighten
Distance —
8K
terrain
Type —
Running
timer
15:00
sell
€50.00
Kids 2km Trail Run
Sep 12, 2026
straighten
Distance —
2K
terrain
Type —
Running
timer
16:00
sell
€6.82
Weather History
These values represent the 3-year monthly averages for September in Nyköping.
thermostatTemperature
11.3° / 18.4°
wb_sunnyFeels like
9.3° / 16.5°
light_mode
Avg sunshine hours
8h 42m
water_drop
Avg rainfall
2.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
11.4 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
82.3%
wb_twilight
Sunrise
06:20
nightlight
Sunset
19:09
Hotels & Places to Stay
Runner Reviews
Read what other athletes have to say about their experience at the Sörmlands 100 Trail Run 2026.
No reviews yet
Be the first to share your experience with the community!
Suggest an edit
Spotted an error or missing detail about the Sörmlands 100 Trail Run 2026? Help us improve.
Nearby Races
Explore other exciting events happening in this same region.
