Three Hearts Marathon
Three Hearts Marathon, part of the Independent / Non-series, is a road-running race held in Radenci, Slovenia. The 2027 edition takes place on Saturday, 15 May 2027. Distances on offer include Marathon and Half Marathon.

Who it's for
A solid challenge for committed running athletes.
Good fit if you…
- have done a few events and want a real challenge
- want a choice of distances
Maybe not if you…
- want a big marquee event: this is a smaller, local-scale race
What should you know about Three Hearts Marathon?
- Date
- Saturday, 15 May 2027
- Format
- Marathon · Half Marathon
Need to know
When is Three Hearts Marathon 2027?
Three Hearts Marathon takes place on Saturday, 15 May 2027. Dates can move year to year, so confirm the exact day on the official race page before you book travel.
How do you register for Three Hearts Marathon?
Where does Three Hearts Marathon take place?
Radenci, Slovenia
FAQs
What do athletes ask about Three Hearts Marathon?
Where is Three Hearts Marathon held?
Three Hearts Marathon is held in Radenci, Slovenia. The race page has the venue location and a map, and links straight through to the official site for the precise start area.
What distances can you race at Three Hearts Marathon?
Three Hearts Marathon offers Marathon and Half Marathon. Pick your distance and enter on the official site. Each format usually has its own start wave and cut-offs.
What is the terrain like at Three Hearts Marathon?
Three Hearts Marathon is held on road terrain. Terrain shapes your pacing, kit, and shoe choice, so factor it into your prep. The official course page has the detailed route.
How should I train for Three Hearts Marathon?
Training for Three Hearts Marathon depends on your target distance and current fitness. Most athletes follow a structured block of 12–20 weeks for a Marathon effort. Build a plan tailored to your race date and level with AI Training Plan (https://aitrainingplan.app).
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