WRC
-->
www.maraton-radenci.si

The Three Hearts Marathon

Slovenia flag
Petanjci, Drava, Slovenia

calendar_today 16 May, 2026

directions_run Running

language Official Website

Register Now
The Three Hearts Marathon

About the Event

The Maraton Treh Src (Marathon of Three Hearts) is a traditional running event held in Radenci, Slovenia, with its 44th edition scheduled for May 16, 2026. The main event is a classic 42.195 km marathon, complemented by a half marathon, a 10 km run, and a 5 km "Oazin" run. The event is a true community festival, also featuring Nordic walking, a recreational hike, children's races, and even a dog run. It embodies the motto "Compete with yourself. Everyone is a winner," promoting a personal challenge over pure competition. The marathon is a long-standing and beloved fixture in the Slovenian running calendar, known for its inclusive and festive atmosphere.

Races Offered

Halfmarathon

May 16, 2026

straighten

Distance — 21.1K

terrain

Type — Running

timer

-146 days remaining

Marathon

May 16, 2026

straighten

Distance — 42.2K

terrain

Type — Running

timer

-146 days remaining

Nordic Walking

May 16, 2026

straighten

Distance — 10K

terrain

Type — Running

timer

-146 days remaining

Oaza Run

May 16, 2026

straighten

Distance — 5K

terrain

Type — Running

timer

-146 days remaining

Radenska Naturelle

May 16, 2026

straighten

Distance — 10K

terrain

Type — Running

timer

-146 days remaining

Weather History

These values represent the 3-year monthly averages for May in Petanjci.

thermostat Temperature
10.5° / 20.0°
wb_sunny Feels like
8.6° / 18.4°
light_mode Avg sunshine hours
9h 55m
water_drop Avg rainfall
3.3 mm
ac_unit Avg snowfall
—
air Avg wind speed
8.8 km/h (Light breeze)
opacity Sweat loss rate
Moderate
terrain Course conditions
Firm and slightly soft
sunny Max UV Index
Moderate (4.2)
humidity_mid Humidity
72.5%
wb_twilight Sunrise
05:20
nightlight Sunset
20:23

About Petanjci

Learn more about the host city, Petanjci.

Scenic view of

Petanjci is a village on the left bank of the Mura River in the Municipality of Tišina in the Prekmurje region of northeastern Slovenia.

Read more launch

Hotels & Places to Stay

Things to Do Nearby

Tours and activities near Petanjci, powered by Viator.

Loading nearby tours and activities…

Video

Watch highlights and course previews from previous years.

Runner Reviews

Read what other athletes have to say about their experience at the The Three Hearts Marathon.

No reviews yet

Be the first to share your experience with the community!

Suggest an edit

Spotted an error or missing detail about the The Three Hearts Marathon? Help us improve.

Nearby Races

Explore other exciting events happening in this same region.

Čaven Run

Čaven Run

location_on Lokavec, Drava, SI

calendar_today Oct 24, 2026

Other
Knap trail 2027

Knap trail 2027

location_on Trbovlje, Savinja, SI

calendar_today Jan 09, 2027

50K Ultra
Novo mesto 1/2 marathon

Novo mesto 1/2 marathon

location_on Novo Mesto, Jugovzhodna Slovenija, SI

calendar_today Nov 14, 2026

5K 10K Half-Marathon
Semi-Marathon de Novo Mesto

Semi-Marathon de Novo Mesto

location_on Novo Mesto, Jugovzhodna Slovenija, SI

calendar_today Nov 14, 2026

5K 10K Half-Marathon

Recommended for You

Hand-picked events we think you’ll love.

ADPS Police Athletic League Blue Night Run

Oct 09, 2026

ADPS Police Athletic League Blue Night Run

The Aiken Department of Public Safety invites you to join us for the return of The Blue Night Run, a fundraising event …

Read more
Run with the Wolves XC Meet #2

Oct 09, 2026

Run with the Wolves XC Meet #2

Wolfpack's second cross country meet of the season! If you are running for a competition team, please register for our …

Read more
4th Annual Backpocket Beer Mile

Oct 09, 2026

4th Annual Backpocket Beer Mile

Whether you're a seasoned runner looking to test your limits or simply seeking an entertaining way to spend an evening,…

Read more
VEGA Mason 5K

Oct 09, 2026

VEGA Mason 5K

Join us for the 2nd year of the VEGA Mason 5K Run, a community event dedicated to supporting the Children's Tumor Found…

Read more

Get race deals & updates

Subscribe to our newsletter for curated race picks and discounts.