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.
Next raceSaturday, May 16, 2026
LocationRadenci, Slovenia
Boston qualifierNo
Three Hearts Marathon quick facts
- AIMS member marathon scheduled for Saturday, May 16, 2026.
- Official tender lists the 42.195 km Radenska Classic marathon.
- 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 | — | — |
Three Hearts Marathon FAQ
When is the Three Hearts Marathon?
The 2026 Three Hearts Marathon is 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.