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Störitzland, Am Störitzsee, 15537 Grünheide (Mark), OT Störitz
The XLV. Internationaler 100km-Lauf is an ultramarathon taking place at Störitzland (Am Störitzsee) on 28 March 2026, organised by LaufKultur e.V. The event is held on a DLV‑certified 5 km loop course that is largely flat and of mixed surface (forest tracks and asphalt, roughly one quarter forest tracks and three quarters asphalt). It combines individual, team and age-group classifications under official athletics rules (DLO/DLV) with official placings published and participant certificates provided.
The programme includes 100 km and 50 km ultra options plus a 12-hour category. Runners should expect early starts (typical start 06:30 for the ultradistances) and extended cut-off windows appropriate for ultra distances; the event notes a Zielschluss (official cut-off) of 18:30 and award ceremonies are normally held about 30 minutes after each competition finishes. Maps and course documentation (PDF/GPX) are made available via the official event pages.
Race administration and the start/finish hub are located at the Störitzland children, youth and family camp with packet pick‑up and on-site payment. The competition is supported and overseen by regional athletics authorities and the Brandenburg athletics refereeing body for adjudication.