12th Asta Maries 100 km Løb 2026

Asta Maries 100 km Løb is a 100 km running race based in Copenhagen, Denmark, starting in the city. It takes place on a Saturday in September, a month when Copenhagen typically offers cool racing weather, with temperatures around 10-19°C, frequent cloud cover, and approximately 45 mm of average rainfall. The race listing provides limited details, but key information is evident: this is the 12th edition of a long-distance road or trail challenge, not a short city run. The organizer is 718 Events, and the single listed distance indicates all participants are committed to the full 100 km.