The Three Hearts Marathon
Maraton treh src
Petanjci, Slovenia
16 May, 2026 (Sat)
Official registration partner of The Three Hearts Marathon
About the event
The Three Hearts Marathon is an AIMS/IAAF-certified race and Slovenia’s oldest marathon (established 1981), offering 42K, 21K, and 10K distances on a flat border-crossing course. Organized with Slovenian-Austrian coordination, the event served as the Slovenian National Championships (1992-1998) and alternates with Ljubljana Marathon for elite selection. A "Four Borders Challenge" division highlights the unique international route.
Highlights
AIMS/IAAF certification validates results for global marathon rankings
Finishers receive dual-country commemorative medals (Slovenian/Austrian co-branding)
Post-race thermal spa access in Radenci
Races offered by this event
You have 27 weeks to prepare
The Three Hearts Marathon official pages
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Maraton treh src
Petanjci, Slovenia
16 May, 2026 (Sat)
Official registration partner of The Three Hearts Marathon
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