Trail 50 KM - Ecotrail Oslo
oslo.ecotrail.com › en › race-ecotrail-osloDISTANCE. The 50 km is the perfect Ultra distance for both experienced runners and debutants to races longer than Marathon or even newbies that want a combination of nature and a long distance excerise. The course combines dirt roads and technical trail. Running from the start with a panorama view over Oslo , ecotrailers will reach Holmenkollen ...