Copenhagen has built genuinely dedicated running infrastructure around its lakes, harbour and a centuries-old fortress. Here are the best running routes in Copenhagen for 2026.
The Lakes
The Lakes, or Søerne, offer a full loop of about 6 kilometres around Sortedams Sø, Peblinge Sø and Sankt Jørgens Sø, flat and well-maintained on gravel and paved paths separated from bike and car traffic, extremely popular with locals for daily training and a classic view of colourful lakeside buildings.
Kastellet
Kastellet, a still-intact 17th-century pentagonal star fortress built from 1662 and one of the best-preserved in Northern Europe, offers a lap of its star-shaped ramparts of about 1.8 kilometres, or an outer moat path of roughly 2 kilometres, on grass-topped earthworks and gravel paths, sitting right beside The Little Mermaid statue. A route from Nyhavn to Kastellet along the waterfront totals 5 to 6 kilometres.
The Harbour Circle
The Harbour Circle, or Havneringen, runs about 13 kilometres on a mixed-surface waterfront loop connecting both sides of Copenhagen's harbour via bridges including the Inderhavnsbroen, combining historic architecture and houseboats with public harbour swim zones like Islands Brygge, where runners can cool off afterward.
Amager Fælled and Amager Strandpark
Amager Fælled, a large preserved nature area just under 3 kilometres from the centre, offers an unmarked gravel-road network letting runners stretch a route up to 10 kilometres without repeating ground, past wild deer, grazing cattle and marshland. Amager Strandpark offers a flat coastal path about 5 kilometres from downtown along the Øresund Strait, with views of the Øresund Bridge to Sweden.
Running the Copenhagen Half Marathon Route
The Copenhagen Half Marathon, part of the Copenhagen Marathon weekend, draws roughly 25,000 participants annually and runs largely along these same central routes, through the Lakes, harbour and city centre, making them genuinely race-tested rather than arbitrary tourist suggestions.
Practical Guide to Running in Copenhagen
The Lakes are the most reliable choice for a flat run at any time of day; the Harbour Circle is worth the distance for anyone wanting a longer route with a swim at the end.
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