Take the gondola lift up to the Hartkaiser and start from right next to the Bergkaiser mountain restaurant. Walk/run through Ellmi's Zauberwald (magic forest) along the panoramic trail in the direction of the Tanzbodensee lake. At the junction with the panoramic hiking trail, turn left onto the forest road which you now walk/run back to the summit station. Tip: a short training circuit at 1,500 m.
Running shoes, water bottle, energy bar, possibly gpx track