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Kuvaus
The 24h Radmarathon Grieskirchen is an open endurance road event in Oberösterreich built around repeated laps near Grieskirchen. Solo riders and teams race over 3, 6 or 24 hours, and typical editions attract several hundred to well over 700 participants. Its character is defined by pacing, drafting, pit organisation and fatigue management rather than single decisive climbs.