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Sonnenweg, Kirchschlag bei Linz, Oberösterreich, Austria
The ABU Kirchschlag/Linz is an Austria Backyard Ultra edition held at Kirchschlag bei Linz and follows the Backyard Ultra format: competitors start a 6.706 km loop every hour and must finish each lap within the hour to continue. The event is staged at roughly 900 m above sea level on a predominantly forest and gravel route with short asphalt sections, offering alpine views and varied terrain that is described as scenic at sunrise and sunset. The competition is open-ended and continues until only one runner remains committed to the hourly start.
Event facilities are concentrated in the start/finish area on Sonnenweg and include a weatherproof athletes' hall, a refreshment station, showers and changing facilities, and limited camper parking; GPX maps and a course preview are provided by the organiser. There is an optional Team Challenge (teams of three) with prizes from sponsors such as La Sportiva, step-based entry pricing with a 280-participant cap, and a BE SAFE cancellation option; the organiser also programmes social activities and live music alongside the race day. Entrants are advised that there is no on-course aid and that participants must follow local traffic rules where the route meets roads.