Marathons in Slovenia

Slovenia has one marathon in our database, centred on Ljubljana. Ljubljana Marathon typically draws around 4,500 finishers. Browse the races below for course maps, elevation profiles, typical weather, and practical race-day detail to help you choose your next start line. Plan by month on our marathon calendar or filter by country and region.

Ljubljana, Central Slovenia, Slovenia🇸🇮

Ljubljana Marathon

The Ljubljana Marathon draws about 4,500 finishers each October through Slovenia's compact capital. The course passes Ljubljana Castle, the Triple Bridge, Tivoli Park, and the Ljubljanica River embankment. October autumn colours and a flat valley setting make it the largest marathon in Slovenia.

Next race: Sunday, 18 October 2026