MarathonRoad🇸🇮 Radenci, Slovenia

Three Hearts Marathon Radenci

Saturday, 15 May 2027Estimated dateIn 7 months · Start 10:00

Slovenia's long-standing spring marathon from the spa town of Radenci, on country roads in north-east Slovenia near the Austrian and Hungarian borders.

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Facts checked 10 Oct 2026 against hdsports.org.

Elevation gain

150 m

Rolling · ↓ 150 m

Start altitude

208 m

above sea level, from terrain data

Temp at start

15°C

Peaks around 18°C

Entry fee

≈ $35

Open entry

Finishers

—

typical year

Course

Loop

Cut-off: check site

Getting thereFly into GRZ (Feldkirchen bei Graz), about 60 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Rolling: about 150 m of climbing and 150 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

15°C

Peak during race

18°C

Humidity

62%

Chance of rain

33%

Wind

10 km/h

Race day in past years

Historical averages for 15 May ±3 days, 2016–2025, from 10:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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<a href="https://irun42.com/race/radenci" title="Three Hearts Marathon Radenci on iRun42"><img src="https://irun42.com/badge/radenci.svg" width="300" height="120" alt="Three Hearts Marathon Radenci: course, elevation and race-day weather on iRun42" /></a>