Sörmland Ultra Marathon – SUM 2026
10.10.2026Björkhagen (Sweden)
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5031.1 km mi
50 km
At a glance
Sörmland Ultra Marathon – SUM 2026 took place on Saturday 10 October 2026 in Björkhagen (Stockholm County, Sweden). One distance: 50 km.
The organiser has not published the elevation gain or the route yet.
The 2027 edition is expected on Saturday 9 October 2027, date to be confirmed by the organiser. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.
Sweden's most wonderful ultramarathon, just over 50 km.
1 course
GPX trace not yet published.
Where to stay
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