The Oberbank Linz Danube Marathon is a major running festival in Linz, Austria, held annually since 2002. Organized by LIVA, the event welcomes more than 21,000 participants and visitors, combining competitive racing with a lively city atmosphere. Its 25th edition is scheduled for April 11, 2027, with registration available through the official website.

The marathon weekend offers events for a wide range of ages and abilities, including the Oberbank Marathon, ORLEN Half Marathon, Hyundai Relay Marathon, LINZ AG Quarter Marathon, Generali 5K, handbike and inline-skating half marathons, and the ÖGK Junior Marathon. Special Olympics, school and fire department runs, and additional competitions also feature in the program. Beyond race entry, the organization provides athlete information and practical services such as training guidance, refreshment-station details, medical care, timing, medal engraving, transport and parking information, and race results and certificates. Events throughout the year include a sports fair, training club activities, a lactate test, and the family-oriented Nikolo Run.