Three Hearts Marathon
Three Hearts Marathon gives Slovenia's oldest marathon a flat Radenci course, border-town atmosphere, AIMS-listed spring timing, and spa-town history.
Three Hearts Marathon quick facts
- AIMS member marathon scheduled for Saturday, May 16, 2026.
- The 42.195 km Radenska Classic marathon is the full-distance race.
- Online entry is available through the race site.
What is the Three Hearts Marathon?
Maraton treh src is a long-running Slovenian race festival, with the marathon carrying a history that reaches back to the early 1980s.
Three Hearts Marathon course route
The Radenska Classic marathon uses a mostly flat road course from Radenci through spa-town and regional roads near the Slovenian-Austrian border.
Weather for the Three Hearts Marathon
Mid-May in northeastern Slovenia is usually mild, but sun and wind can show up on open roads. The flat course rewards patient pacing.
Past Three Hearts Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Saturday, May 16, 2026 | Completed | Open results |
Three Hearts Marathon FAQ
When is the Three Hearts Marathon?
We're waiting for the finalized date for the 2027 Three Hearts Marathon. The most recent running was on Saturday, May 16, 2026.
How do I register for the Three Hearts Marathon?
You can register for the Three Hearts Marathon at maraton-radenci.si.