Kassel Marathon – The largest sporting event in North Hesse.

The Kassel Marathon – Die größte Sportveranstaltung in Nordhessen. is staged as a multi-day running festival in Kassel, Germany, and is scheduled for 18–20 September 2026. The weekend combines the full marathon with a half marathon, relays, walking and Nordic‑walking events and a programme of community and family races, making it a broad participation event for different abilities. The organiser presents the event as a city course that passes notable Kassel districts and green spaces and promotes a festival atmosphere for athletes and spectators alike.

The event weekend centres around race services such as bib pickup, an expo and coordinated route logistics with EasyChip transponder timing for mass timing and results. The organiser highlights participant inclusions such as a finisher shirt, medal, timing chip and bag drop, and notes a charitable partnership with the Aufi‑Aufenanger Stiftung. Entrants are directed to the official site for race‑specific information, athlete guides and registration details for each distance.