Sweden · Södermanland County
Sörmlands Trail Run
Distance
50 km
Date
September 12, 2026
Entry fee
1,050 SEK
€ / km
€2.00
Sweden’s autumn 100K - Roots, rocks, lakes, and relentless rolling single-track near Stockholm.
Elevation and Terrain
Total Meters
800m
D+/KM
16m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
5.6%
Avg Downhill Gradient
-5.6%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
0.8 km · 43 m gain
starts km 4 · avg 5.7% · max 13.3%
2.8 km · 38 m gain
starts km 13 · avg 1.4% · max 18.5%
3.3 km · 38 m gain
starts km 5 · avg 1.1% · max 18.8%
Top descents
4.0 km · 87 m drop
starts km 42 · avg -2.1% · max -14.3%
0.4 km · 24 m drop
starts km 28 · avg -6.6% · max -14.0%
2.5 km · 20 m drop
starts km 30 · avg -1.0% · max -8.6%
Race files
Logistics
Nearest airport
Stockholm Skavsta (NYO) / Stockholm Arlanda (ARN)
Notes
Start: Only 15 minutes by car or bus from NYO to Nyköping. Wizzair flies from Warsaw, Bucharest, Belgrade into NYO, Norwegian flies seasonally from Spain / Public transport: train/bus/car from ARN to Nyköping/Trosa region takes about two hours / Accommodation: Nyköping is the best base with plentiful lodging, and is a stop on the shuttle bus to race starts, as well as the start of the 50km race. Airbnbs available at race finish and other towns nearby (car recommended)
